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Finding the Fourth Proportional to 269,434.60, 404,151.90 and 264,826.60

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Solution

The fourth proportional to 269,434.60, 404,151.90 and 264,826.60 is: 397,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,434.60 : 404,151.90 = 264,826.60 : x
  2. Step 2: Convert to fraction form
    269,434.60/404,151.90 = 264,826.60/x
  3. Step 3: Cross multiply
    269,434.60x = 404,151.90 × 264,826.60
  4. Step 4: Simplify right side
    269,434.60x = 107,030,173,560.54
  5. Step 5: Solve for x
    x = 107,030,173,560.54/269,434.60
  6. Step 6: Final answer
    x = 397,239.90

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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.