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Finding the Fourth Proportional to 452,997.47, 625,140.71 and 249,049.82

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Solution

The fourth proportional to 452,997.47, 625,140.71 and 249,049.82 is: 343,691.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,997.47 : 625,140.71 = 249,049.82 : x
  2. Step 2: Convert to fraction form
    452,997.47/625,140.71 = 249,049.82/x
  3. Step 3: Cross multiply
    452,997.47x = 625,140.71 × 249,049.82
  4. Step 4: Simplify right side
    452,997.47x = 155,691,176,929.22
  5. Step 5: Solve for x
    x = 155,691,176,929.22/452,997.47
  6. Step 6: Final answer
    x = 343,691.06

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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.