Home / 276,634.24-414,989.76-89,585.28

Finding the Fourth Proportional to 276,634.24, 414,989.76 and 89,585.28

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Solution

The fourth proportional to 276,634.24, 414,989.76 and 89,585.28 is: 134,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,634.24 : 414,989.76 = 89,585.28 : x
  2. Step 2: Convert to fraction form
    276,634.24/414,989.76 = 89,585.28/x
  3. Step 3: Cross multiply
    276,634.24x = 414,989.76 × 89,585.28
  4. Step 4: Simplify right side
    276,634.24x = 37,176,973,846.73
  5. Step 5: Solve for x
    x = 37,176,973,846.73/276,634.24
  6. Step 6: Final answer
    x = 134,390.36

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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.