Home / 361,948.56-499,502.34-218,680.92

Finding the Fourth Proportional to 361,948.56, 499,502.34 and 218,680.92

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Solution

The fourth proportional to 361,948.56, 499,502.34 and 218,680.92 is: 301,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,948.56 : 499,502.34 = 218,680.92 : x
  2. Step 2: Convert to fraction form
    361,948.56/499,502.34 = 218,680.92/x
  3. Step 3: Cross multiply
    361,948.56x = 499,502.34 × 218,680.92
  4. Step 4: Simplify right side
    361,948.56x = 109,231,631,253.35
  5. Step 5: Solve for x
    x = 109,231,631,253.35/361,948.56
  6. Step 6: Final answer
    x = 301,787.72

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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.