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Finding the Fourth Proportional to 230,115.98, 345,193.67 and 70,227.89

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Solution

The fourth proportional to 230,115.98, 345,193.67 and 70,227.89 is: 105,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,115.98 : 345,193.67 = 70,227.89 : x
  2. Step 2: Convert to fraction form
    230,115.98/345,193.67 = 70,227.89/x
  3. Step 3: Cross multiply
    230,115.98x = 345,193.67 × 70,227.89
  4. Step 4: Simplify right side
    230,115.98x = 24,242,221,008.35
  5. Step 5: Solve for x
    x = 24,242,221,008.35/230,115.98
  6. Step 6: Final answer
    x = 105,347.84

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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.