Home / 287,238.56-396,331.20-173,995.52

Finding the Fourth Proportional to 287,238.56, 396,331.20 and 173,995.52

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Solution

The fourth proportional to 287,238.56, 396,331.20 and 173,995.52 is: 240,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,238.56 : 396,331.20 = 173,995.52 : x
  2. Step 2: Convert to fraction form
    287,238.56/396,331.20 = 173,995.52/x
  3. Step 3: Cross multiply
    287,238.56x = 396,331.20 × 173,995.52
  4. Step 4: Simplify right side
    287,238.56x = 68,959,853,236.22
  5. Step 5: Solve for x
    x = 68,959,853,236.22/287,238.56
  6. Step 6: Final answer
    x = 240,078.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.