Home / 227,278.82-313,638.98-125,301.90

Finding the Fourth Proportional to 227,278.82, 313,638.98 and 125,301.90

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Solution

The fourth proportional to 227,278.82, 313,638.98 and 125,301.90 is: 172,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,278.82 : 313,638.98 = 125,301.90 : x
  2. Step 2: Convert to fraction form
    227,278.82/313,638.98 = 125,301.90/x
  3. Step 3: Cross multiply
    227,278.82x = 313,638.98 × 125,301.90
  4. Step 4: Simplify right side
    227,278.82x = 39,299,560,108.06
  5. Step 5: Solve for x
    x = 39,299,560,108.06/227,278.82
  6. Step 6: Final answer
    x = 172,913.43

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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.