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Finding the Fourth Proportional to 424,006.64, 636,003.48 and 108,460.88

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Solution

The fourth proportional to 424,006.64, 636,003.48 and 108,460.88 is: 162,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,006.64 : 636,003.48 = 108,460.88 : x
  2. Step 2: Convert to fraction form
    424,006.64/636,003.48 = 108,460.88/x
  3. Step 3: Cross multiply
    424,006.64x = 636,003.48 × 108,460.88
  4. Step 4: Simplify right side
    424,006.64x = 68,981,497,123.86
  5. Step 5: Solve for x
    x = 68,981,497,123.86/424,006.64
  6. Step 6: Final answer
    x = 162,689.66

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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.