Home / 445,006.20-667,574.10-145,414.20

Finding the Fourth Proportional to 445,006.20, 667,574.10 and 145,414.20

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Solution

The fourth proportional to 445,006.20, 667,574.10 and 145,414.20 is: 218,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,006.20 : 667,574.10 = 145,414.20 : x
  2. Step 2: Convert to fraction form
    445,006.20/667,574.10 = 145,414.20/x
  3. Step 3: Cross multiply
    445,006.20x = 667,574.10 × 145,414.20
  4. Step 4: Simplify right side
    445,006.20x = 97,074,753,692.22
  5. Step 5: Solve for x
    x = 97,074,753,692.22/445,006.20
  6. Step 6: Final answer
    x = 218,142.47

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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.