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Finding the Fourth Proportional to 373,179.80, 514,581.14 and 252,110.86

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Solution

The fourth proportional to 373,179.80, 514,581.14 and 252,110.86 is: 347,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,179.80 : 514,581.14 = 252,110.86 : x
  2. Step 2: Convert to fraction form
    373,179.80/514,581.14 = 252,110.86/x
  3. Step 3: Cross multiply
    373,179.80x = 514,581.14 × 252,110.86
  4. Step 4: Simplify right side
    373,179.80x = 129,731,493,745.18
  5. Step 5: Solve for x
    x = 129,731,493,745.18/373,179.80
  6. Step 6: Final answer
    x = 347,638.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.