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Finding the Fourth Proportional to 636,972.26, 955,606.01 and 216,248.12

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Solution

The fourth proportional to 636,972.26, 955,606.01 and 216,248.12 is: 324,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,972.26 : 955,606.01 = 216,248.12 : x
  2. Step 2: Convert to fraction form
    636,972.26/955,606.01 = 216,248.12/x
  3. Step 3: Cross multiply
    636,972.26x = 955,606.01 × 216,248.12
  4. Step 4: Simplify right side
    636,972.26x = 206,648,003,123.20
  5. Step 5: Solve for x
    x = 206,648,003,123.20/636,972.26
  6. Step 6: Final answer
    x = 324,422.30

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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.