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Finding the Fourth Proportional to 558,800.96, 838,180.80 and 243,258.56

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Solution

The fourth proportional to 558,800.96, 838,180.80 and 243,258.56 is: 364,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,800.96 : 838,180.80 = 243,258.56 : x
  2. Step 2: Convert to fraction form
    558,800.96/838,180.80 = 243,258.56/x
  3. Step 3: Cross multiply
    558,800.96x = 838,180.80 × 243,258.56
  4. Step 4: Simplify right side
    558,800.96x = 203,894,654,427.65
  5. Step 5: Solve for x
    x = 203,894,654,427.65/558,800.96
  6. Step 6: Final answer
    x = 364,878.85

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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.