Home / 276,981.46-382,234.58-149,657.02

Finding the Fourth Proportional to 276,981.46, 382,234.58 and 149,657.02

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Solution

The fourth proportional to 276,981.46, 382,234.58 and 149,657.02 is: 206,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,981.46 : 382,234.58 = 149,657.02 : x
  2. Step 2: Convert to fraction form
    276,981.46/382,234.58 = 149,657.02/x
  3. Step 3: Cross multiply
    276,981.46x = 382,234.58 × 149,657.02
  4. Step 4: Simplify right side
    276,981.46x = 57,204,088,183.75
  5. Step 5: Solve for x
    x = 57,204,088,183.75/276,981.46
  6. Step 6: Final answer
    x = 206,526.78

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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.