Home / 439,472.66-659,210.07-123,931.22

Finding the Fourth Proportional to 439,472.66, 659,210.07 and 123,931.22

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Solution

The fourth proportional to 439,472.66, 659,210.07 and 123,931.22 is: 185,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,472.66 : 659,210.07 = 123,931.22 : x
  2. Step 2: Convert to fraction form
    439,472.66/659,210.07 = 123,931.22/x
  3. Step 3: Cross multiply
    439,472.66x = 659,210.07 × 123,931.22
  4. Step 4: Simplify right side
    439,472.66x = 81,696,708,211.39
  5. Step 5: Solve for x
    x = 81,696,708,211.39/439,472.66
  6. Step 6: Final answer
    x = 185,897.13

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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.