Home / 224,207.28-309,408.44-123,608.88

Finding the Fourth Proportional to 224,207.28, 309,408.44 and 123,608.88

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Solution

The fourth proportional to 224,207.28, 309,408.44 and 123,608.88 is: 170,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,207.28 : 309,408.44 = 123,608.88 : x
  2. Step 2: Convert to fraction form
    224,207.28/309,408.44 = 123,608.88/x
  3. Step 3: Cross multiply
    224,207.28x = 309,408.44 × 123,608.88
  4. Step 4: Simplify right side
    224,207.28x = 38,245,630,730.95
  5. Step 5: Solve for x
    x = 38,245,630,730.95/224,207.28
  6. Step 6: Final answer
    x = 170,581.57

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1.5x scale

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.