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Finding the Fourth Proportional to 294,269.70, 441,425.96 and 123,319.82

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Solution

The fourth proportional to 294,269.70, 441,425.96 and 123,319.82 is: 184,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,269.70 : 441,425.96 = 123,319.82 : x
  2. Step 2: Convert to fraction form
    294,269.70/441,425.96 = 123,319.82/x
  3. Step 3: Cross multiply
    294,269.70x = 441,425.96 × 123,319.82
  4. Step 4: Simplify right side
    294,269.70x = 54,436,569,104.39
  5. Step 5: Solve for x
    x = 54,436,569,104.39/294,269.70
  6. Step 6: Final answer
    x = 184,988.70

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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.