Home / 282,647.20-423,517.20-149,353.60

Finding the Fourth Proportional to 282,647.20, 423,517.20 and 149,353.60

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Solution

The fourth proportional to 282,647.20, 423,517.20 and 149,353.60 is: 223,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,647.20 : 423,517.20 = 149,353.60 : x
  2. Step 2: Convert to fraction form
    282,647.20/423,517.20 = 149,353.60/x
  3. Step 3: Cross multiply
    282,647.20x = 423,517.20 × 149,353.60
  4. Step 4: Simplify right side
    282,647.20x = 63,253,818,481.92
  5. Step 5: Solve for x
    x = 63,253,818,481.92/282,647.20
  6. Step 6: Final answer
    x = 223,790.71

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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.