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Finding the Fourth Proportional to 497,761.22, 746,752.40 and 142,747.94

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Solution

The fourth proportional to 497,761.22, 746,752.40 and 142,747.94 is: 214,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,761.22 : 746,752.40 = 142,747.94 : x
  2. Step 2: Convert to fraction form
    497,761.22/746,752.40 = 142,747.94/x
  3. Step 3: Cross multiply
    497,761.22x = 746,752.40 × 142,747.94
  4. Step 4: Simplify right side
    497,761.22x = 106,597,366,790.06
  5. Step 5: Solve for x
    x = 106,597,366,790.06/497,761.22
  6. Step 6: Final answer
    x = 214,153.62

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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.