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Finding the Fourth Proportional to 229,989.78, 344,960.42 and 61,527.12

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Solution

The fourth proportional to 229,989.78, 344,960.42 and 61,527.12 is: 92,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,989.78 : 344,960.42 = 61,527.12 : x
  2. Step 2: Convert to fraction form
    229,989.78/344,960.42 = 61,527.12/x
  3. Step 3: Cross multiply
    229,989.78x = 344,960.42 × 61,527.12
  4. Step 4: Simplify right side
    229,989.78x = 21,224,420,848.95
  5. Step 5: Solve for x
    x = 21,224,420,848.95/229,989.78
  6. Step 6: Final answer
    x = 92,284.19

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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.