Home / 276,290.67-381,333.33-172,972.92

Finding the Fourth Proportional to 276,290.67, 381,333.33 and 172,972.92

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Solution

The fourth proportional to 276,290.67, 381,333.33 and 172,972.92 is: 238,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,290.67 : 381,333.33 = 172,972.92 : x
  2. Step 2: Convert to fraction form
    276,290.67/381,333.33 = 172,972.92/x
  3. Step 3: Cross multiply
    276,290.67x = 381,333.33 × 172,972.92
  4. Step 4: Simplify right side
    276,290.67x = 65,960,339,583.42
  5. Step 5: Solve for x
    x = 65,960,339,583.42/276,290.67
  6. Step 6: Final answer
    x = 238,735.31

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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.