Home / 276,911.82-382,138.31-149,587.41

Finding the Fourth Proportional to 276,911.82, 382,138.31 and 149,587.41

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Solution

The fourth proportional to 276,911.82, 382,138.31 and 149,587.41 is: 206,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,911.82 : 382,138.31 = 149,587.41 : x
  2. Step 2: Convert to fraction form
    276,911.82/382,138.31 = 149,587.41/x
  3. Step 3: Cross multiply
    276,911.82x = 382,138.31 × 149,587.41
  4. Step 4: Simplify right side
    276,911.82x = 57,163,079,306.74
  5. Step 5: Solve for x
    x = 57,163,079,306.74/276,911.82
  6. Step 6: Final answer
    x = 206,430.62

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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.