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Finding the Fourth Proportional to 276,332.46, 414,498.70 and 76,652.86

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Solution

The fourth proportional to 276,332.46, 414,498.70 and 76,652.86 is: 114,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,332.46 : 414,498.70 = 76,652.86 : x
  2. Step 2: Convert to fraction form
    276,332.46/414,498.70 = 76,652.86/x
  3. Step 3: Cross multiply
    276,332.46x = 414,498.70 × 76,652.86
  4. Step 4: Simplify right side
    276,332.46x = 31,772,510,821.28
  5. Step 5: Solve for x
    x = 31,772,510,821.28/276,332.46
  6. Step 6: Final answer
    x = 114,979.29

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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.