Home / 298,787.17-412,321.15-162,822.29

Finding the Fourth Proportional to 298,787.17, 412,321.15 and 162,822.29

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Solution

The fourth proportional to 298,787.17, 412,321.15 and 162,822.29 is: 224,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,787.17 : 412,321.15 = 162,822.29 : x
  2. Step 2: Convert to fraction form
    298,787.17/412,321.15 = 162,822.29/x
  3. Step 3: Cross multiply
    298,787.17x = 412,321.15 × 162,822.29
  4. Step 4: Simplify right side
    298,787.17x = 67,135,073,858.43
  5. Step 5: Solve for x
    x = 67,135,073,858.43/298,787.17
  6. Step 6: Final answer
    x = 224,691.96

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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.