Home / 229,936.69-344,789.09-69,981.94

Finding the Fourth Proportional to 229,936.69, 344,789.09 and 69,981.94

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Solution

The fourth proportional to 229,936.69, 344,789.09 and 69,981.94 is: 104,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,936.69 : 344,789.09 = 69,981.94 : x
  2. Step 2: Convert to fraction form
    229,936.69/344,789.09 = 69,981.94/x
  3. Step 3: Cross multiply
    229,936.69x = 344,789.09 × 69,981.94
  4. Step 4: Simplify right side
    229,936.69x = 24,129,009,409.03
  5. Step 5: Solve for x
    x = 24,129,009,409.03/229,936.69
  6. Step 6: Final answer
    x = 104,937.62

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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.