Home / 276,002.39-414,050.22-86,425.36

Finding the Fourth Proportional to 276,002.39, 414,050.22 and 86,425.36

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Solution

The fourth proportional to 276,002.39, 414,050.22 and 86,425.36 is: 129,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,002.39 : 414,050.22 = 86,425.36 : x
  2. Step 2: Convert to fraction form
    276,002.39/414,050.22 = 86,425.36/x
  3. Step 3: Cross multiply
    276,002.39x = 414,050.22 × 86,425.36
  4. Step 4: Simplify right side
    276,002.39x = 35,784,439,839.14
  5. Step 5: Solve for x
    x = 35,784,439,839.14/276,002.39
  6. Step 6: Final answer
    x = 129,652.65

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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.