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Finding the Fourth Proportional to 491,591.03, 737,487.72 and 207,282.38

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Solution

The fourth proportional to 491,591.03, 737,487.72 and 207,282.38 is: 310,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,591.03 : 737,487.72 = 207,282.38 : x
  2. Step 2: Convert to fraction form
    491,591.03/737,487.72 = 207,282.38/x
  3. Step 3: Cross multiply
    491,591.03x = 737,487.72 × 207,282.38
  4. Step 4: Simplify right side
    491,591.03x = 152,868,206,134.94
  5. Step 5: Solve for x
    x = 152,868,206,134.94/491,591.03
  6. Step 6: Final answer
    x = 310,966.23

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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.