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Finding the Fourth Proportional to 298,401.27, 411,799.05 and 162,439.13

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Solution

The fourth proportional to 298,401.27, 411,799.05 and 162,439.13 is: 224,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,401.27 : 411,799.05 = 162,439.13 : x
  2. Step 2: Convert to fraction form
    298,401.27/411,799.05 = 162,439.13/x
  3. Step 3: Cross multiply
    298,401.27x = 411,799.05 × 162,439.13
  4. Step 4: Simplify right side
    298,401.27x = 66,892,277,357.83
  5. Step 5: Solve for x
    x = 66,892,277,357.83/298,401.27
  6. Step 6: Final answer
    x = 224,168.88

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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.