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Finding the Fourth Proportional to 636,749.22, 955,123.82 and 187,470.16

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Solution

The fourth proportional to 636,749.22, 955,123.82 and 187,470.16 is: 281,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,749.22 : 955,123.82 = 187,470.16 : x
  2. Step 2: Convert to fraction form
    636,749.22/955,123.82 = 187,470.16/x
  3. Step 3: Cross multiply
    636,749.22x = 955,123.82 × 187,470.16
  4. Step 4: Simplify right side
    636,749.22x = 179,057,215,355.21
  5. Step 5: Solve for x
    x = 179,057,215,355.21/636,749.22
  6. Step 6: Final answer
    x = 281,205.24

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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.