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Finding the Fourth Proportional to 342,418.60, 514,211.10 and 224,612.20

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Solution

The fourth proportional to 342,418.60, 514,211.10 and 224,612.20 is: 337,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,418.60 : 514,211.10 = 224,612.20 : x
  2. Step 2: Convert to fraction form
    342,418.60/514,211.10 = 224,612.20/x
  3. Step 3: Cross multiply
    342,418.60x = 514,211.10 × 224,612.20
  4. Step 4: Simplify right side
    342,418.60x = 115,498,086,435.42
  5. Step 5: Solve for x
    x = 115,498,086,435.42/342,418.60
  6. Step 6: Final answer
    x = 337,300.85

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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.