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Finding the Fourth Proportional to 198,116.80, 296,737.80 and 163,124.80

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Solution

The fourth proportional to 198,116.80, 296,737.80 and 163,124.80 is: 244,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,116.80 : 296,737.80 = 163,124.80 : x
  2. Step 2: Convert to fraction form
    198,116.80/296,737.80 = 163,124.80/x
  3. Step 3: Cross multiply
    198,116.80x = 296,737.80 × 163,124.80
  4. Step 4: Simplify right side
    198,116.80x = 48,405,294,277.44
  5. Step 5: Solve for x
    x = 48,405,294,277.44/198,116.80
  6. Step 6: Final answer
    x = 244,327.05

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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.