Home / 343,414.40-515,121.60-296,175.20

Finding the Fourth Proportional to 343,414.40, 515,121.60 and 296,175.20

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Solution

The fourth proportional to 343,414.40, 515,121.60 and 296,175.20 is: 444,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,414.40 : 515,121.60 = 296,175.20 : x
  2. Step 2: Convert to fraction form
    343,414.40/515,121.60 = 296,175.20/x
  3. Step 3: Cross multiply
    343,414.40x = 515,121.60 × 296,175.20
  4. Step 4: Simplify right side
    343,414.40x = 152,566,242,904.32
  5. Step 5: Solve for x
    x = 152,566,242,904.32/343,414.40
  6. Step 6: Final answer
    x = 444,262.80

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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.