Home / 266,724.60-400,086.90-172,246.20

Finding the Fourth Proportional to 266,724.60, 400,086.90 and 172,246.20

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Solution

The fourth proportional to 266,724.60, 400,086.90 and 172,246.20 is: 258,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,724.60 : 400,086.90 = 172,246.20 : x
  2. Step 2: Convert to fraction form
    266,724.60/400,086.90 = 172,246.20/x
  3. Step 3: Cross multiply
    266,724.60x = 400,086.90 × 172,246.20
  4. Step 4: Simplify right side
    266,724.60x = 68,913,448,194.78
  5. Step 5: Solve for x
    x = 68,913,448,194.78/266,724.60
  6. Step 6: Final answer
    x = 258,369.30

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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.