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Finding the Fourth Proportional to 230,519.94, 345,841.47 and 72,751.38

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Solution

The fourth proportional to 230,519.94, 345,841.47 and 72,751.38 is: 109,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,519.94 : 345,841.47 = 72,751.38 : x
  2. Step 2: Convert to fraction form
    230,519.94/345,841.47 = 72,751.38/x
  3. Step 3: Cross multiply
    230,519.94x = 345,841.47 × 72,751.38
  4. Step 4: Simplify right side
    230,519.94x = 25,160,444,203.73
  5. Step 5: Solve for x
    x = 25,160,444,203.73/230,519.94
  6. Step 6: Final answer
    x = 109,146.50

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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.