Home / 275,523.24-412,890.18-156,949.74

Finding the Fourth Proportional to 275,523.24, 412,890.18 and 156,949.74

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Solution

The fourth proportional to 275,523.24, 412,890.18 and 156,949.74 is: 235,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,523.24 : 412,890.18 = 156,949.74 : x
  2. Step 2: Convert to fraction form
    275,523.24/412,890.18 = 156,949.74/x
  3. Step 3: Cross multiply
    275,523.24x = 412,890.18 × 156,949.74
  4. Step 4: Simplify right side
    275,523.24x = 64,803,006,399.55
  5. Step 5: Solve for x
    x = 64,803,006,399.55/275,523.24
  6. Step 6: Final answer
    x = 235,199.78

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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.