Home / 632,115.66-948,174.27-258,138.66

Finding the Fourth Proportional to 632,115.66, 948,174.27 and 258,138.66

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Solution

The fourth proportional to 632,115.66, 948,174.27 and 258,138.66 is: 387,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,115.66 : 948,174.27 = 258,138.66 : x
  2. Step 2: Convert to fraction form
    632,115.66/948,174.27 = 258,138.66/x
  3. Step 3: Cross multiply
    632,115.66x = 948,174.27 × 258,138.66
  4. Step 4: Simplify right side
    632,115.66x = 244,760,435,504.28
  5. Step 5: Solve for x
    x = 244,760,435,504.28/632,115.66
  6. Step 6: Final answer
    x = 387,208.31

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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.