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Finding the Fourth Proportional to 453,395.44, 625,685.76 and 249,442

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Solution

The fourth proportional to 453,395.44, 625,685.76 and 249,442 is: 344,229.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,395.44 : 625,685.76 = 249,442 : x
  2. Step 2: Convert to fraction form
    453,395.44/625,685.76 = 249,442/x
  3. Step 3: Cross multiply
    453,395.44x = 625,685.76 × 249,442
  4. Step 4: Simplify right side
    453,395.44x = 156,072,307,345.92
  5. Step 5: Solve for x
    x = 156,072,307,345.92/453,395.44
  6. Step 6: Final answer
    x = 344,229.99

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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.