Home / 254,279.85-381,543.66-104,565.12

Finding the Fourth Proportional to 254,279.85, 381,543.66 and 104,565.12

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Solution

The fourth proportional to 254,279.85, 381,543.66 and 104,565.12 is: 156,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,279.85 : 381,543.66 = 104,565.12 : x
  2. Step 2: Convert to fraction form
    254,279.85/381,543.66 = 104,565.12/x
  3. Step 3: Cross multiply
    254,279.85x = 381,543.66 × 104,565.12
  4. Step 4: Simplify right side
    254,279.85x = 39,896,158,593.14
  5. Step 5: Solve for x
    x = 39,896,158,593.14/254,279.85
  6. Step 6: Final answer
    x = 156,898.62

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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.