Home / 254,279.35-381,542.91-104,564.62

Finding the Fourth Proportional to 254,279.35, 381,542.91 and 104,564.62

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Solution

The fourth proportional to 254,279.35, 381,542.91 and 104,564.62 is: 156,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,279.35 : 381,542.91 = 104,564.62 : x
  2. Step 2: Convert to fraction form
    254,279.35/381,542.91 = 104,564.62/x
  3. Step 3: Cross multiply
    254,279.35x = 381,542.91 × 104,564.62
  4. Step 4: Simplify right side
    254,279.35x = 39,895,889,397.84
  5. Step 5: Solve for x
    x = 39,895,889,397.84/254,279.35
  6. Step 6: Final answer
    x = 156,897.87

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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.