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Finding the Fourth Proportional to 291,800.82, 437,701.26 and 225,337.90

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Solution

The fourth proportional to 291,800.82, 437,701.26 and 225,337.90 is: 338,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,800.82 : 437,701.26 = 225,337.90 : x
  2. Step 2: Convert to fraction form
    291,800.82/437,701.26 = 225,337.90/x
  3. Step 3: Cross multiply
    291,800.82x = 437,701.26 × 225,337.90
  4. Step 4: Simplify right side
    291,800.82x = 98,630,682,755.75
  5. Step 5: Solve for x
    x = 98,630,682,755.75/291,800.82
  6. Step 6: Final answer
    x = 338,006.87

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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.