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Finding the Fourth Proportional to 240,157, 360,122.34 and 140,345.92

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Solution

The fourth proportional to 240,157, 360,122.34 and 140,345.92 is: 210,452.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,157 : 360,122.34 = 140,345.92 : x
  2. Step 2: Convert to fraction form
    240,157/360,122.34 = 140,345.92/x
  3. Step 3: Cross multiply
    240,157x = 360,122.34 × 140,345.92
  4. Step 4: Simplify right side
    240,157x = 50,541,701,119.85
  5. Step 5: Solve for x
    x = 50,541,701,119.85/240,157
  6. Step 6: Final answer
    x = 210,452.75

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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.