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Finding the Fourth Proportional to 264,502.05, 396,768.06 and 84,603.27

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Solution

The fourth proportional to 264,502.05, 396,768.06 and 84,603.27 is: 126,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,502.05 : 396,768.06 = 84,603.27 : x
  2. Step 2: Convert to fraction form
    264,502.05/396,768.06 = 84,603.27/x
  3. Step 3: Cross multiply
    264,502.05x = 396,768.06 × 84,603.27
  4. Step 4: Simplify right side
    264,502.05x = 33,567,877,112.70
  5. Step 5: Solve for x
    x = 33,567,877,112.70/264,502.05
  6. Step 6: Final answer
    x = 126,909.71

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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.