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Finding the Fourth Proportional to 229,699.33, 317,010.32 and 131,591.88

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Solution

The fourth proportional to 229,699.33, 317,010.32 and 131,591.88 is: 181,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,699.33 : 317,010.32 = 131,591.88 : x
  2. Step 2: Convert to fraction form
    229,699.33/317,010.32 = 131,591.88/x
  3. Step 3: Cross multiply
    229,699.33x = 317,010.32 × 131,591.88
  4. Step 4: Simplify right side
    229,699.33x = 41,715,983,988.20
  5. Step 5: Solve for x
    x = 41,715,983,988.20/229,699.33
  6. Step 6: Final answer
    x = 181,611.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.