Home / 677,481.42-1,016,222.52-172,080.30

Finding the Fourth Proportional to 677,481.42, 1,016,222.52 and 172,080.30

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Solution

The fourth proportional to 677,481.42, 1,016,222.52 and 172,080.30 is: 258,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,481.42 : 1,016,222.52 = 172,080.30 : x
  2. Step 2: Convert to fraction form
    677,481.42/1,016,222.52 = 172,080.30/x
  3. Step 3: Cross multiply
    677,481.42x = 1,016,222.52 × 172,080.30
  4. Step 4: Simplify right side
    677,481.42x = 174,871,876,108.36
  5. Step 5: Solve for x
    x = 174,871,876,108.36/677,481.42
  6. Step 6: Final answer
    x = 258,120.55

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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.