Home / 267,587.07-401,439.62-78,062.25

Finding the Fourth Proportional to 267,587.07, 401,439.62 and 78,062.25

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Solution

The fourth proportional to 267,587.07, 401,439.62 and 78,062.25 is: 117,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,587.07 : 401,439.62 = 78,062.25 : x
  2. Step 2: Convert to fraction form
    267,587.07/401,439.62 = 78,062.25/x
  3. Step 3: Cross multiply
    267,587.07x = 401,439.62 × 78,062.25
  4. Step 4: Simplify right side
    267,587.07x = 31,337,279,976.35
  5. Step 5: Solve for x
    x = 31,337,279,976.35/267,587.07
  6. Step 6: Final answer
    x = 117,110.59

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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.