Home / 278,361.20-417,004.46-166,131.04

Finding the Fourth Proportional to 278,361.20, 417,004.46 and 166,131.04

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Solution

The fourth proportional to 278,361.20, 417,004.46 and 166,131.04 is: 248,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,361.20 : 417,004.46 = 166,131.04 : x
  2. Step 2: Convert to fraction form
    278,361.20/417,004.46 = 166,131.04/x
  3. Step 3: Cross multiply
    278,361.20x = 417,004.46 × 166,131.04
  4. Step 4: Simplify right side
    278,361.20x = 69,277,381,708.76
  5. Step 5: Solve for x
    x = 69,277,381,708.76/278,361.20
  6. Step 6: Final answer
    x = 248,875.86

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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.