Home / 410,834.40-616,251.60-269,119.20

Finding the Fourth Proportional to 410,834.40, 616,251.60 and 269,119.20

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Solution

The fourth proportional to 410,834.40, 616,251.60 and 269,119.20 is: 403,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,834.40 : 616,251.60 = 269,119.20 : x
  2. Step 2: Convert to fraction form
    410,834.40/616,251.60 = 269,119.20/x
  3. Step 3: Cross multiply
    410,834.40x = 616,251.60 × 269,119.20
  4. Step 4: Simplify right side
    410,834.40x = 165,845,137,590.72
  5. Step 5: Solve for x
    x = 165,845,137,590.72/410,834.40
  6. Step 6: Final answer
    x = 403,678.80

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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.