Home / 276,257.40-414,373.92-86,713.32

Finding the Fourth Proportional to 276,257.40, 414,373.92 and 86,713.32

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Solution

The fourth proportional to 276,257.40, 414,373.92 and 86,713.32 is: 130,066.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,257.40 : 414,373.92 = 86,713.32 : x
  2. Step 2: Convert to fraction form
    276,257.40/414,373.92 = 86,713.32/x
  3. Step 3: Cross multiply
    276,257.40x = 414,373.92 × 86,713.32
  4. Step 4: Simplify right side
    276,257.40x = 35,931,738,324.61
  5. Step 5: Solve for x
    x = 35,931,738,324.61/276,257.40
  6. Step 6: Final answer
    x = 130,066.16

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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.