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Finding the Fourth Proportional to 453,250.98, 625,442.85 and 249,298.38

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Solution

The fourth proportional to 453,250.98, 625,442.85 and 249,298.38 is: 344,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,250.98 : 625,442.85 = 249,298.38 : x
  2. Step 2: Convert to fraction form
    453,250.98/625,442.85 = 249,298.38/x
  3. Step 3: Cross multiply
    453,250.98x = 625,442.85 × 249,298.38
  4. Step 4: Simplify right side
    453,250.98x = 155,921,889,287.58
  5. Step 5: Solve for x
    x = 155,921,889,287.58/453,250.98
  6. Step 6: Final answer
    x = 344,007.84

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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.