Home / 240,765.21-332,145.77-155,909.61

Finding the Fourth Proportional to 240,765.21, 332,145.77 and 155,909.61

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Solution

The fourth proportional to 240,765.21, 332,145.77 and 155,909.61 is: 215,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,765.21 : 332,145.77 = 155,909.61 : x
  2. Step 2: Convert to fraction form
    240,765.21/332,145.77 = 155,909.61/x
  3. Step 3: Cross multiply
    240,765.21x = 332,145.77 × 155,909.61
  4. Step 4: Simplify right side
    240,765.21x = 51,784,716,684.30
  5. Step 5: Solve for x
    x = 51,784,716,684.30/240,765.21
  6. Step 6: Final answer
    x = 215,083.88

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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.