Home / 276,148.68-414,176.05-76,422.29

Finding the Fourth Proportional to 276,148.68, 414,176.05 and 76,422.29

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Solution

The fourth proportional to 276,148.68, 414,176.05 and 76,422.29 is: 114,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,148.68 : 414,176.05 = 76,422.29 : x
  2. Step 2: Convert to fraction form
    276,148.68/414,176.05 = 76,422.29/x
  3. Step 3: Cross multiply
    276,148.68x = 414,176.05 × 76,422.29
  4. Step 4: Simplify right side
    276,148.68x = 31,652,280,228.80
  5. Step 5: Solve for x
    x = 31,652,280,228.80/276,148.68
  6. Step 6: Final answer
    x = 114,620.43

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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.