Home / 229,121.19-343,711.94-85,007.38

Finding the Fourth Proportional to 229,121.19, 343,711.94 and 85,007.38

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Solution

The fourth proportional to 229,121.19, 343,711.94 and 85,007.38 is: 127,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,121.19 : 343,711.94 = 85,007.38 : x
  2. Step 2: Convert to fraction form
    229,121.19/343,711.94 = 85,007.38/x
  3. Step 3: Cross multiply
    229,121.19x = 343,711.94 × 85,007.38
  4. Step 4: Simplify right side
    229,121.19x = 29,218,051,494.12
  5. Step 5: Solve for x
    x = 29,218,051,494.12/229,121.19
  6. Step 6: Final answer
    x = 127,522.26

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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.