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Finding the Fourth Proportional to 453,084.72, 625,270.50 and 249,125.10

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Solution

The fourth proportional to 453,084.72, 625,270.50 and 249,125.10 is: 343,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,084.72 : 625,270.50 = 249,125.10 : x
  2. Step 2: Convert to fraction form
    453,084.72/625,270.50 = 249,125.10/x
  3. Step 3: Cross multiply
    453,084.72x = 625,270.50 × 249,125.10
  4. Step 4: Simplify right side
    453,084.72x = 155,770,575,839.55
  5. Step 5: Solve for x
    x = 155,770,575,839.55/453,084.72
  6. Step 6: Final answer
    x = 343,800.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.