Home / 229,010.40-343,517.79-86,817.43

Finding the Fourth Proportional to 229,010.40, 343,517.79 and 86,817.43

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Solution

The fourth proportional to 229,010.40, 343,517.79 and 86,817.43 is: 130,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,010.40 : 343,517.79 = 86,817.43 : x
  2. Step 2: Convert to fraction form
    229,010.40/343,517.79 = 86,817.43/x
  3. Step 3: Cross multiply
    229,010.40x = 343,517.79 × 86,817.43
  4. Step 4: Simplify right side
    229,010.40x = 29,823,329,969.49
  5. Step 5: Solve for x
    x = 29,823,329,969.49/229,010.40
  6. Step 6: Final answer
    x = 130,226.97

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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.