Home / 256,531.17-354,112.91-229,627.11

Finding the Fourth Proportional to 256,531.17, 354,112.91 and 229,627.11

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Solution

The fourth proportional to 256,531.17, 354,112.91 and 229,627.11 is: 316,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,531.17 : 354,112.91 = 229,627.11 : x
  2. Step 2: Convert to fraction form
    256,531.17/354,112.91 = 229,627.11/x
  3. Step 3: Cross multiply
    256,531.17x = 354,112.91 × 229,627.11
  4. Step 4: Simplify right side
    256,531.17x = 81,313,924,136.99
  5. Step 5: Solve for x
    x = 81,313,924,136.99/256,531.17
  6. Step 6: Final answer
    x = 316,974.83

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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.