Home / 272,276.46-408,434.13-72,595.80

Finding the Fourth Proportional to 272,276.46, 408,434.13 and 72,595.80

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Solution

The fourth proportional to 272,276.46, 408,434.13 and 72,595.80 is: 108,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,276.46 : 408,434.13 = 72,595.80 : x
  2. Step 2: Convert to fraction form
    272,276.46/408,434.13 = 72,595.80/x
  3. Step 3: Cross multiply
    272,276.46x = 408,434.13 × 72,595.80
  4. Step 4: Simplify right side
    272,276.46x = 29,650,602,414.65
  5. Step 5: Solve for x
    x = 29,650,602,414.65/272,276.46
  6. Step 6: Final answer
    x = 108,898.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.