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Finding the Fourth Proportional to 269,227.80, 403,841.70 and 265,728.60

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Solution

The fourth proportional to 269,227.80, 403,841.70 and 265,728.60 is: 398,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,227.80 : 403,841.70 = 265,728.60 : x
  2. Step 2: Convert to fraction form
    269,227.80/403,841.70 = 265,728.60/x
  3. Step 3: Cross multiply
    269,227.80x = 403,841.70 × 265,728.60
  4. Step 4: Simplify right side
    269,227.80x = 107,312,289,562.62
  5. Step 5: Solve for x
    x = 107,312,289,562.62/269,227.80
  6. Step 6: Final answer
    x = 398,592.90

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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.