Home / 279,474.75-385,676.07-152,151.26

Finding the Fourth Proportional to 279,474.75, 385,676.07 and 152,151.26

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Solution

The fourth proportional to 279,474.75, 385,676.07 and 152,151.26 is: 209,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,474.75 : 385,676.07 = 152,151.26 : x
  2. Step 2: Convert to fraction form
    279,474.75/385,676.07 = 152,151.26/x
  3. Step 3: Cross multiply
    279,474.75x = 385,676.07 × 152,151.26
  4. Step 4: Simplify right side
    279,474.75x = 58,681,098,073.97
  5. Step 5: Solve for x
    x = 58,681,098,073.97/279,474.75
  6. Step 6: Final answer
    x = 209,969.23

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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.