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Finding the Fourth Proportional to 323,006.38, 445,748.80 and 179,800.25

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Solution

The fourth proportional to 323,006.38, 445,748.80 and 179,800.25 is: 248,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,006.38 : 445,748.80 = 179,800.25 : x
  2. Step 2: Convert to fraction form
    323,006.38/445,748.80 = 179,800.25/x
  3. Step 3: Cross multiply
    323,006.38x = 445,748.80 × 179,800.25
  4. Step 4: Simplify right side
    323,006.38x = 80,145,745,677.20
  5. Step 5: Solve for x
    x = 80,145,745,677.20/323,006.38
  6. Step 6: Final answer
    x = 248,124.35

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1.5x scale

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.