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Finding the Fourth Proportional to 381,255.22, 571,886.94 and 115,018.04

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Solution

The fourth proportional to 381,255.22, 571,886.94 and 115,018.04 is: 172,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,255.22 : 571,886.94 = 115,018.04 : x
  2. Step 2: Convert to fraction form
    381,255.22/571,886.94 = 115,018.04/x
  3. Step 3: Cross multiply
    381,255.22x = 571,886.94 × 115,018.04
  4. Step 4: Simplify right side
    381,255.22x = 65,777,316,154.46
  5. Step 5: Solve for x
    x = 65,777,316,154.46/381,255.22
  6. Step 6: Final answer
    x = 172,528.30

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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.