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Finding the Fourth Proportional to 179,793.80, 269,690.70 and 159,057.80

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Solution

The fourth proportional to 179,793.80, 269,690.70 and 159,057.80 is: 238,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,793.80 : 269,690.70 = 159,057.80 : x
  2. Step 2: Convert to fraction form
    179,793.80/269,690.70 = 159,057.80/x
  3. Step 3: Cross multiply
    179,793.80x = 269,690.70 × 159,057.80
  4. Step 4: Simplify right side
    179,793.80x = 42,896,409,422.46
  5. Step 5: Solve for x
    x = 42,896,409,422.46/179,793.80
  6. Step 6: Final answer
    x = 238,586.70

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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.