Home / 359,782.64-496,497.24-198,638

Finding the Fourth Proportional to 359,782.64, 496,497.24 and 198,638

Calculator

Solution

The fourth proportional to 359,782.64, 496,497.24 and 198,638 is: 274,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,782.64 : 496,497.24 = 198,638 : x
  2. Step 2: Convert to fraction form
    359,782.64/496,497.24 = 198,638/x
  3. Step 3: Cross multiply
    359,782.64x = 496,497.24 × 198,638
  4. Step 4: Simplify right side
    359,782.64x = 98,623,218,759.12
  5. Step 5: Solve for x
    x = 98,623,218,759.12/359,782.64
  6. Step 6: Final answer
    x = 274,118.89

Related Problems

Find fourth proportional to 179,891.32, 248,248.62 and 99,319
Half scale
Find fourth proportional to 719,565.28, 992,994.48 and 397,276
Double scale
Find fourth proportional to 359,783.64, 496,498.62 and 198,639
Similar ratio
Find fourth proportional to 539,673.96, 744,745.86 and 297,957
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.