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Finding the Fourth Proportional to 240,085.31, 360,129.24 and 71,604.27

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Solution

The fourth proportional to 240,085.31, 360,129.24 and 71,604.27 is: 107,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,085.31 : 360,129.24 = 71,604.27 : x
  2. Step 2: Convert to fraction form
    240,085.31/360,129.24 = 71,604.27/x
  3. Step 3: Cross multiply
    240,085.31x = 360,129.24 × 71,604.27
  4. Step 4: Simplify right side
    240,085.31x = 25,786,791,335.85
  5. Step 5: Solve for x
    x = 25,786,791,335.85/240,085.31
  6. Step 6: Final answer
    x = 107,406.79

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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.