Home / 276,220.62-414,339.83-76,542.93

Finding the Fourth Proportional to 276,220.62, 414,339.83 and 76,542.93

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Solution

The fourth proportional to 276,220.62, 414,339.83 and 76,542.93 is: 114,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,220.62 : 414,339.83 = 76,542.93 : x
  2. Step 2: Convert to fraction form
    276,220.62/414,339.83 = 76,542.93/x
  3. Step 3: Cross multiply
    276,220.62x = 414,339.83 × 76,542.93
  4. Step 4: Simplify right side
    276,220.62x = 31,714,783,385.00
  5. Step 5: Solve for x
    x = 31,714,783,385.00/276,220.62
  6. Step 6: Final answer
    x = 114,816.86

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1.5x scale

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.