Home / 275,336.32-380,188.20-224,356.72

Finding the Fourth Proportional to 275,336.32, 380,188.20 and 224,356.72

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Solution

The fourth proportional to 275,336.32, 380,188.20 and 224,356.72 is: 309,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,336.32 : 380,188.20 = 224,356.72 : x
  2. Step 2: Convert to fraction form
    275,336.32/380,188.20 = 224,356.72/x
  3. Step 3: Cross multiply
    275,336.32x = 380,188.20 × 224,356.72
  4. Step 4: Simplify right side
    275,336.32x = 85,297,777,534.70
  5. Step 5: Solve for x
    x = 85,297,777,534.70/275,336.32
  6. Step 6: Final answer
    x = 309,794.86

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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.