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Finding the Fourth Proportional to 264,876.33, 396,923.69 and 156,693.81

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Solution

The fourth proportional to 264,876.33, 396,923.69 and 156,693.81 is: 234,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,876.33 : 396,923.69 = 156,693.81 : x
  2. Step 2: Convert to fraction form
    264,876.33/396,923.69 = 156,693.81/x
  3. Step 3: Cross multiply
    264,876.33x = 396,923.69 × 156,693.81
  4. Step 4: Simplify right side
    264,876.33x = 62,195,485,265.36
  5. Step 5: Solve for x
    x = 62,195,485,265.36/264,876.33
  6. Step 6: Final answer
    x = 234,809.53

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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.