Home / 275,764.85-380,534.74-154,882.53

Finding the Fourth Proportional to 275,764.85, 380,534.74 and 154,882.53

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Solution

The fourth proportional to 275,764.85, 380,534.74 and 154,882.53 is: 213,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,764.85 : 380,534.74 = 154,882.53 : x
  2. Step 2: Convert to fraction form
    275,764.85/380,534.74 = 154,882.53/x
  3. Step 3: Cross multiply
    275,764.85x = 380,534.74 × 154,882.53
  4. Step 4: Simplify right side
    275,764.85x = 58,938,181,381.42
  5. Step 5: Solve for x
    x = 58,938,181,381.42/275,764.85
  6. Step 6: Final answer
    x = 213,726.23

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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.