Home / 320,337.39-442,074.82-177,106.66

Finding the Fourth Proportional to 320,337.39, 442,074.82 and 177,106.66

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Solution

The fourth proportional to 320,337.39, 442,074.82 and 177,106.66 is: 244,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,337.39 : 442,074.82 = 177,106.66 : x
  2. Step 2: Convert to fraction form
    320,337.39/442,074.82 = 177,106.66/x
  3. Step 3: Cross multiply
    320,337.39x = 442,074.82 × 177,106.66
  4. Step 4: Simplify right side
    320,337.39x = 78,294,394,840.30
  5. Step 5: Solve for x
    x = 78,294,394,840.30/320,337.39
  6. Step 6: Final answer
    x = 244,412.29

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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.