Home / 283,724.37-391,542.26-156,404.52

Finding the Fourth Proportional to 283,724.37, 391,542.26 and 156,404.52

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Solution

The fourth proportional to 283,724.37, 391,542.26 and 156,404.52 is: 215,839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,724.37 : 391,542.26 = 156,404.52 : x
  2. Step 2: Convert to fraction form
    283,724.37/391,542.26 = 156,404.52/x
  3. Step 3: Cross multiply
    283,724.37x = 391,542.26 × 156,404.52
  4. Step 4: Simplify right side
    283,724.37x = 61,238,978,452.99
  5. Step 5: Solve for x
    x = 61,238,978,452.99/283,724.37
  6. Step 6: Final answer
    x = 215,839.68

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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.