Home / 276,234.43-381,207.45-163,057.18

Finding the Fourth Proportional to 276,234.43, 381,207.45 and 163,057.18

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Solution

The fourth proportional to 276,234.43, 381,207.45 and 163,057.18 is: 225,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,234.43 : 381,207.45 = 163,057.18 : x
  2. Step 2: Convert to fraction form
    276,234.43/381,207.45 = 163,057.18/x
  3. Step 3: Cross multiply
    276,234.43x = 381,207.45 × 163,057.18
  4. Step 4: Simplify right side
    276,234.43x = 62,158,611,791.99
  5. Step 5: Solve for x
    x = 62,158,611,791.99/276,234.43
  6. Step 6: Final answer
    x = 225,021.23

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1.5x scale

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.