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Finding the Fourth Proportional to 453,042.47, 679,567.73 and 137,499.32

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Solution

The fourth proportional to 453,042.47, 679,567.73 and 137,499.32 is: 206,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,042.47 : 679,567.73 = 137,499.32 : x
  2. Step 2: Convert to fraction form
    453,042.47/679,567.73 = 137,499.32/x
  3. Step 3: Cross multiply
    453,042.47x = 679,567.73 × 137,499.32
  4. Step 4: Simplify right side
    453,042.47x = 93,440,096,683.61
  5. Step 5: Solve for x
    x = 93,440,096,683.61/453,042.47
  6. Step 6: Final answer
    x = 206,250.19

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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.