Home / 330,909.07-496,418.28-131,230.51

Finding the Fourth Proportional to 330,909.07, 496,418.28 and 131,230.51

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Solution

The fourth proportional to 330,909.07, 496,418.28 and 131,230.51 is: 196,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,909.07 : 496,418.28 = 131,230.51 : x
  2. Step 2: Convert to fraction form
    330,909.07/496,418.28 = 131,230.51/x
  3. Step 3: Cross multiply
    330,909.07x = 496,418.28 × 131,230.51
  4. Step 4: Simplify right side
    330,909.07x = 65,145,224,057.72
  5. Step 5: Solve for x
    x = 65,145,224,057.72/330,909.07
  6. Step 6: Final answer
    x = 196,867.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.