Home / 276,821.16-382,013.20-149,496.76

Finding the Fourth Proportional to 276,821.16, 382,013.20 and 149,496.76

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Solution

The fourth proportional to 276,821.16, 382,013.20 and 149,496.76 is: 206,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,821.16 : 382,013.20 = 149,496.76 : x
  2. Step 2: Convert to fraction form
    276,821.16/382,013.20 = 149,496.76/x
  3. Step 3: Cross multiply
    276,821.16x = 382,013.20 × 149,496.76
  4. Step 4: Simplify right side
    276,821.16x = 57,109,735,677.23
  5. Step 5: Solve for x
    x = 57,109,735,677.23/276,821.16
  6. Step 6: Final answer
    x = 206,305.53

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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.