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Finding the Fourth Proportional to 229,143.78, 343,753.74 and 96,034.05

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Solution

The fourth proportional to 229,143.78, 343,753.74 and 96,034.05 is: 144,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,143.78 : 343,753.74 = 96,034.05 : x
  2. Step 2: Convert to fraction form
    229,143.78/343,753.74 = 96,034.05/x
  3. Step 3: Cross multiply
    229,143.78x = 343,753.74 × 96,034.05
  4. Step 4: Simplify right side
    229,143.78x = 33,012,063,854.85
  5. Step 5: Solve for x
    x = 33,012,063,854.85/229,143.78
  6. Step 6: Final answer
    x = 144,067.03

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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.