Home / 214,460.28-321,691.64-56,687.06

Finding the Fourth Proportional to 214,460.28, 321,691.64 and 56,687.06

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Solution

The fourth proportional to 214,460.28, 321,691.64 and 56,687.06 is: 85,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,460.28 : 321,691.64 = 56,687.06 : x
  2. Step 2: Convert to fraction form
    214,460.28/321,691.64 = 56,687.06/x
  3. Step 3: Cross multiply
    214,460.28x = 321,691.64 × 56,687.06
  4. Step 4: Simplify right side
    214,460.28x = 18,235,753,818.97
  5. Step 5: Solve for x
    x = 18,235,753,818.97/214,460.28
  6. Step 6: Final answer
    x = 85,030.91

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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.