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Finding the Fourth Proportional to 323,452.76, 446,359.50 and 176,279.66

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Solution

The fourth proportional to 323,452.76, 446,359.50 and 176,279.66 is: 243,263.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,452.76 : 446,359.50 = 176,279.66 : x
  2. Step 2: Convert to fraction form
    323,452.76/446,359.50 = 176,279.66/x
  3. Step 3: Cross multiply
    323,452.76x = 446,359.50 × 176,279.66
  4. Step 4: Simplify right side
    323,452.76x = 78,684,100,897.77
  5. Step 5: Solve for x
    x = 78,684,100,897.77/323,452.76
  6. Step 6: Final answer
    x = 243,263.04

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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.