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Finding the Fourth Proportional to 400,508.97, 600,686.88 and 120,026.22

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Solution

The fourth proportional to 400,508.97, 600,686.88 and 120,026.22 is: 180,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,508.97 : 600,686.88 = 120,026.22 : x
  2. Step 2: Convert to fraction form
    400,508.97/600,686.88 = 120,026.22/x
  3. Step 3: Cross multiply
    400,508.97x = 600,686.88 × 120,026.22
  4. Step 4: Simplify right side
    400,508.97x = 72,098,175,609.99
  5. Step 5: Solve for x
    x = 72,098,175,609.99/400,508.97
  6. Step 6: Final answer
    x = 180,016.38

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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.