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Finding the Fourth Proportional to 229,992.11, 344,963.85 and 61,529.42

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Solution

The fourth proportional to 229,992.11, 344,963.85 and 61,529.42 is: 92,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,992.11 : 344,963.85 = 61,529.42 : x
  2. Step 2: Convert to fraction form
    229,992.11/344,963.85 = 61,529.42/x
  3. Step 3: Cross multiply
    229,992.11x = 344,963.85 × 61,529.42
  4. Step 4: Simplify right side
    229,992.11x = 21,225,426,243.14
  5. Step 5: Solve for x
    x = 21,225,426,243.14/229,992.11
  6. Step 6: Final answer
    x = 92,287.63

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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.