Home / 320,493.84-442,243.12-177,234.40

Finding the Fourth Proportional to 320,493.84, 442,243.12 and 177,234.40

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Solution

The fourth proportional to 320,493.84, 442,243.12 and 177,234.40 is: 244,562.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,493.84 : 442,243.12 = 177,234.40 : x
  2. Step 2: Convert to fraction form
    320,493.84/442,243.12 = 177,234.40/x
  3. Step 3: Cross multiply
    320,493.84x = 442,243.12 × 177,234.40
  4. Step 4: Simplify right side
    320,493.84x = 78,380,694,027.33
  5. Step 5: Solve for x
    x = 78,380,694,027.33/320,493.84
  6. Step 6: Final answer
    x = 244,562.25

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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.