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Finding the Fourth Proportional to 500,385.38, 750,655.82 and 168,039.14

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Solution

The fourth proportional to 500,385.38, 750,655.82 and 168,039.14 is: 252,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,385.38 : 750,655.82 = 168,039.14 : x
  2. Step 2: Convert to fraction form
    500,385.38/750,655.82 = 168,039.14/x
  3. Step 3: Cross multiply
    500,385.38x = 750,655.82 × 168,039.14
  4. Step 4: Simplify right side
    500,385.38x = 126,139,555,095.61
  5. Step 5: Solve for x
    x = 126,139,555,095.61/500,385.38
  6. Step 6: Final answer
    x = 252,084.82

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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.