Home / 229,517.28-344,198.16-87,328.80

Finding the Fourth Proportional to 229,517.28, 344,198.16 and 87,328.80

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Solution

The fourth proportional to 229,517.28, 344,198.16 and 87,328.80 is: 130,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,517.28 : 344,198.16 = 87,328.80 : x
  2. Step 2: Convert to fraction form
    229,517.28/344,198.16 = 87,328.80/x
  3. Step 3: Cross multiply
    229,517.28x = 344,198.16 × 87,328.80
  4. Step 4: Simplify right side
    229,517.28x = 30,058,412,275.01
  5. Step 5: Solve for x
    x = 30,058,412,275.01/229,517.28
  6. Step 6: Final answer
    x = 130,963.61

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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.