Home / 451,280.80-677,180.40-170,999.20

Finding the Fourth Proportional to 451,280.80, 677,180.40 and 170,999.20

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Solution

The fourth proportional to 451,280.80, 677,180.40 and 170,999.20 is: 256,597.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,280.80 : 677,180.40 = 170,999.20 : x
  2. Step 2: Convert to fraction form
    451,280.80/677,180.40 = 170,999.20/x
  3. Step 3: Cross multiply
    451,280.80x = 677,180.40 × 170,999.20
  4. Step 4: Simplify right side
    451,280.80x = 115,797,306,655.68
  5. Step 5: Solve for x
    x = 115,797,306,655.68/451,280.80
  6. Step 6: Final answer
    x = 256,597.02

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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.