Home / 231,849.83-347,710.50-82,070.40

Finding the Fourth Proportional to 231,849.83, 347,710.50 and 82,070.40

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Solution

The fourth proportional to 231,849.83, 347,710.50 and 82,070.40 is: 123,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,849.83 : 347,710.50 = 82,070.40 : x
  2. Step 2: Convert to fraction form
    231,849.83/347,710.50 = 82,070.40/x
  3. Step 3: Cross multiply
    231,849.83x = 347,710.50 × 82,070.40
  4. Step 4: Simplify right side
    231,849.83x = 28,536,739,819.20
  5. Step 5: Solve for x
    x = 28,536,739,819.20/231,849.83
  6. Step 6: Final answer
    x = 123,082.86

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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.