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Finding the Fourth Proportional to 198,010.21, 296,917.05 and 63,056.70

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Solution

The fourth proportional to 198,010.21, 296,917.05 and 63,056.70 is: 94,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,010.21 : 296,917.05 = 63,056.70 : x
  2. Step 2: Convert to fraction form
    198,010.21/296,917.05 = 63,056.70/x
  3. Step 3: Cross multiply
    198,010.21x = 296,917.05 × 63,056.70
  4. Step 4: Simplify right side
    198,010.21x = 18,722,609,346.74
  5. Step 5: Solve for x
    x = 18,722,609,346.74/198,010.21
  6. Step 6: Final answer
    x = 94,553.76

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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.