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Finding the Fourth Proportional to 453,402.44, 625,695.48 and 249,449

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Solution

The fourth proportional to 453,402.44, 625,695.48 and 249,449 is: 344,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,402.44 : 625,695.48 = 249,449 : x
  2. Step 2: Convert to fraction form
    453,402.44/625,695.48 = 249,449/x
  3. Step 3: Cross multiply
    453,402.44x = 625,695.48 × 249,449
  4. Step 4: Simplify right side
    453,402.44x = 156,079,111,790.52
  5. Step 5: Solve for x
    x = 156,079,111,790.52/453,402.44
  6. Step 6: Final answer
    x = 344,239.68

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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.