Home / 415,331.20-622,766.40-165,731.20

Finding the Fourth Proportional to 415,331.20, 622,766.40 and 165,731.20

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Solution

The fourth proportional to 415,331.20, 622,766.40 and 165,731.20 is: 248,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,331.20 : 622,766.40 = 165,731.20 : x
  2. Step 2: Convert to fraction form
    415,331.20/622,766.40 = 165,731.20/x
  3. Step 3: Cross multiply
    415,331.20x = 622,766.40 × 165,731.20
  4. Step 4: Simplify right side
    415,331.20x = 103,211,822,791.68
  5. Step 5: Solve for x
    x = 103,211,822,791.68/415,331.20
  6. Step 6: Final answer
    x = 248,504.86

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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.