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Finding the Fourth Proportional to 637,530.72, 956,470.68 and 188,251.20

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Solution

The fourth proportional to 637,530.72, 956,470.68 and 188,251.20 is: 282,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,530.72 : 956,470.68 = 188,251.20 : x
  2. Step 2: Convert to fraction form
    637,530.72/956,470.68 = 188,251.20/x
  3. Step 3: Cross multiply
    637,530.72x = 956,470.68 × 188,251.20
  4. Step 4: Simplify right side
    637,530.72x = 180,056,753,274.82
  5. Step 5: Solve for x
    x = 180,056,753,274.82/637,530.72
  6. Step 6: Final answer
    x = 282,428.36

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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.