Home / 318,049.20-477,074.07-149,445.86

Finding the Fourth Proportional to 318,049.20, 477,074.07 and 149,445.86

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Solution

The fourth proportional to 318,049.20, 477,074.07 and 149,445.86 is: 224,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,049.20 : 477,074.07 = 149,445.86 : x
  2. Step 2: Convert to fraction form
    318,049.20/477,074.07 = 149,445.86/x
  3. Step 3: Cross multiply
    318,049.20x = 477,074.07 × 149,445.86
  4. Step 4: Simplify right side
    318,049.20x = 71,296,742,289.48
  5. Step 5: Solve for x
    x = 71,296,742,289.48/318,049.20
  6. Step 6: Final answer
    x = 224,168.91

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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.