Home / 261,241.20-391,854.24-155,351.52

Finding the Fourth Proportional to 261,241.20, 391,854.24 and 155,351.52

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Solution

The fourth proportional to 261,241.20, 391,854.24 and 155,351.52 is: 233,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,241.20 : 391,854.24 = 155,351.52 : x
  2. Step 2: Convert to fraction form
    261,241.20/391,854.24 = 155,351.52/x
  3. Step 3: Cross multiply
    261,241.20x = 391,854.24 × 155,351.52
  4. Step 4: Simplify right side
    261,241.20x = 60,875,151,802.44
  5. Step 5: Solve for x
    x = 60,875,151,802.44/261,241.20
  6. Step 6: Final answer
    x = 233,022.78

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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.