Home / 269,214.10-403,821.15-231,816.40

Finding the Fourth Proportional to 269,214.10, 403,821.15 and 231,816.40

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Solution

The fourth proportional to 269,214.10, 403,821.15 and 231,816.40 is: 347,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,214.10 : 403,821.15 = 231,816.40 : x
  2. Step 2: Convert to fraction form
    269,214.10/403,821.15 = 231,816.40/x
  3. Step 3: Cross multiply
    269,214.10x = 403,821.15 × 231,816.40
  4. Step 4: Simplify right side
    269,214.10x = 93,612,365,236.86
  5. Step 5: Solve for x
    x = 93,612,365,236.86/269,214.10
  6. Step 6: Final answer
    x = 347,724.60

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Similar ratio
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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.