Home / 451,422.38-676,936.72-170,742.80

Finding the Fourth Proportional to 451,422.38, 676,936.72 and 170,742.80

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Solution

The fourth proportional to 451,422.38, 676,936.72 and 170,742.80 is: 256,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,422.38 : 676,936.72 = 170,742.80 : x
  2. Step 2: Convert to fraction form
    451,422.38/676,936.72 = 170,742.80/x
  3. Step 3: Cross multiply
    451,422.38x = 676,936.72 × 170,742.80
  4. Step 4: Simplify right side
    451,422.38x = 115,582,070,995.62
  5. Step 5: Solve for x
    x = 115,582,070,995.62/451,422.38
  6. Step 6: Final answer
    x = 256,039.74

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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.