Home / 442,077.06-663,244.98-142,551.61

Finding the Fourth Proportional to 442,077.06, 663,244.98 and 142,551.61

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Solution

The fourth proportional to 442,077.06, 663,244.98 and 142,551.61 is: 213,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,077.06 : 663,244.98 = 142,551.61 : x
  2. Step 2: Convert to fraction form
    442,077.06/663,244.98 = 142,551.61/x
  3. Step 3: Cross multiply
    442,077.06x = 663,244.98 × 142,551.61
  4. Step 4: Simplify right side
    442,077.06x = 94,546,639,723.42
  5. Step 5: Solve for x
    x = 94,546,639,723.42/442,077.06
  6. Step 6: Final answer
    x = 213,869.14

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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.