Home / 451,278.80-677,177.40-170,997.20

Finding the Fourth Proportional to 451,278.80, 677,177.40 and 170,997.20

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Solution

The fourth proportional to 451,278.80, 677,177.40 and 170,997.20 is: 256,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,278.80 : 677,177.40 = 170,997.20 : x
  2. Step 2: Convert to fraction form
    451,278.80/677,177.40 = 170,997.20/x
  3. Step 3: Cross multiply
    451,278.80x = 677,177.40 × 170,997.20
  4. Step 4: Simplify right side
    451,278.80x = 115,795,439,303.28
  5. Step 5: Solve for x
    x = 115,795,439,303.28/451,278.80
  6. Step 6: Final answer
    x = 256,594.02

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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.