Home / 276,369.12-414,549.05-124,481.72

Finding the Fourth Proportional to 276,369.12, 414,549.05 and 124,481.72

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Solution

The fourth proportional to 276,369.12, 414,549.05 and 124,481.72 is: 186,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,369.12 : 414,549.05 = 124,481.72 : x
  2. Step 2: Convert to fraction form
    276,369.12/414,549.05 = 124,481.72/x
  3. Step 3: Cross multiply
    276,369.12x = 414,549.05 × 124,481.72
  4. Step 4: Simplify right side
    276,369.12x = 51,603,776,073.21
  5. Step 5: Solve for x
    x = 51,603,776,073.21/276,369.12
  6. Step 6: Final answer
    x = 186,720.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.