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Finding the Fourth Proportional to 359,675.24, 496,344.90 and 198,520.84

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Solution

The fourth proportional to 359,675.24, 496,344.90 and 198,520.84 is: 273,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,675.24 : 496,344.90 = 198,520.84 : x
  2. Step 2: Convert to fraction form
    359,675.24/496,344.90 = 198,520.84/x
  3. Step 3: Cross multiply
    359,675.24x = 496,344.90 × 198,520.84
  4. Step 4: Simplify right side
    359,675.24x = 98,534,806,477.72
  5. Step 5: Solve for x
    x = 98,534,806,477.72/359,675.24
  6. Step 6: Final answer
    x = 273,954.93

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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.