Home / 276,895.77-382,116.33-149,571.42

Finding the Fourth Proportional to 276,895.77, 382,116.33 and 149,571.42

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Solution

The fourth proportional to 276,895.77, 382,116.33 and 149,571.42 is: 206,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,895.77 : 382,116.33 = 149,571.42 : x
  2. Step 2: Convert to fraction form
    276,895.77/382,116.33 = 149,571.42/x
  3. Step 3: Cross multiply
    276,895.77x = 382,116.33 × 149,571.42
  4. Step 4: Simplify right side
    276,895.77x = 57,153,682,083.29
  5. Step 5: Solve for x
    x = 57,153,682,083.29/276,895.77
  6. Step 6: Final answer
    x = 206,408.65

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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.