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Finding the Fourth Proportional to 298,666.30, 447,999.45 and 180,471.10

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Solution

The fourth proportional to 298,666.30, 447,999.45 and 180,471.10 is: 270,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,666.30 : 447,999.45 = 180,471.10 : x
  2. Step 2: Convert to fraction form
    298,666.30/447,999.45 = 180,471.10/x
  3. Step 3: Cross multiply
    298,666.30x = 447,999.45 × 180,471.10
  4. Step 4: Simplify right side
    298,666.30x = 80,850,953,540.90
  5. Step 5: Solve for x
    x = 80,850,953,540.90/298,666.30
  6. Step 6: Final answer
    x = 270,706.65

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Similar ratio
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1.5x scale

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.