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Finding the Fourth Proportional to 240,112.95, 360,189.87 and 71,622.42

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Solution

The fourth proportional to 240,112.95, 360,189.87 and 71,622.42 is: 107,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,112.95 : 360,189.87 = 71,622.42 : x
  2. Step 2: Convert to fraction form
    240,112.95/360,189.87 = 71,622.42/x
  3. Step 3: Cross multiply
    240,112.95x = 360,189.87 × 71,622.42
  4. Step 4: Simplify right side
    240,112.95x = 25,797,670,148.89
  5. Step 5: Solve for x
    x = 25,797,670,148.89/240,112.95
  6. Step 6: Final answer
    x = 107,439.73

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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.