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Finding the Fourth Proportional to 453,342.61, 625,593.08 and 249,380.60

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Solution

The fourth proportional to 453,342.61, 625,593.08 and 249,380.60 is: 344,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,342.61 : 625,593.08 = 249,380.60 : x
  2. Step 2: Convert to fraction form
    453,342.61/625,593.08 = 249,380.60/x
  3. Step 3: Cross multiply
    453,342.61x = 625,593.08 × 249,380.60
  4. Step 4: Simplify right side
    453,342.61x = 156,010,777,646.25
  5. Step 5: Solve for x
    x = 156,010,777,646.25/453,342.61
  6. Step 6: Final answer
    x = 344,134.38

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1.5x scale

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.