Home / 276,820.88-382,012.79-149,496.45

Finding the Fourth Proportional to 276,820.88, 382,012.79 and 149,496.45

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Solution

The fourth proportional to 276,820.88, 382,012.79 and 149,496.45 is: 206,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,820.88 : 382,012.79 = 149,496.45 : x
  2. Step 2: Convert to fraction form
    276,820.88/382,012.79 = 149,496.45/x
  3. Step 3: Cross multiply
    276,820.88x = 382,012.79 × 149,496.45
  4. Step 4: Simplify right side
    276,820.88x = 57,109,555,212.11
  5. Step 5: Solve for x
    x = 57,109,555,212.11/276,820.88
  6. Step 6: Final answer
    x = 206,305.09

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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.