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Finding the Fourth Proportional to 234,406.52, 323,474.33 and 137,608.82

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Solution

The fourth proportional to 234,406.52, 323,474.33 and 137,608.82 is: 189,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,406.52 : 323,474.33 = 137,608.82 : x
  2. Step 2: Convert to fraction form
    234,406.52/323,474.33 = 137,608.82/x
  3. Step 3: Cross multiply
    234,406.52x = 323,474.33 × 137,608.82
  4. Step 4: Simplify right side
    234,406.52x = 44,512,918,546.17
  5. Step 5: Solve for x
    x = 44,512,918,546.17/234,406.52
  6. Step 6: Final answer
    x = 189,896.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.