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Finding the Fourth Proportional to 224,543.90, 336,717.03 and 84,204.11

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Solution

The fourth proportional to 224,543.90, 336,717.03 and 84,204.11 is: 126,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,543.90 : 336,717.03 = 84,204.11 : x
  2. Step 2: Convert to fraction form
    224,543.90/336,717.03 = 84,204.11/x
  3. Step 3: Cross multiply
    224,543.90x = 336,717.03 × 84,204.11
  4. Step 4: Simplify right side
    224,543.90x = 28,352,958,990.55
  5. Step 5: Solve for x
    x = 28,352,958,990.55/224,543.90
  6. Step 6: Final answer
    x = 126,269.11

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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.