Home / 320,335.89-442,072.75-177,105.16

Finding the Fourth Proportional to 320,335.89, 442,072.75 and 177,105.16

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Solution

The fourth proportional to 320,335.89, 442,072.75 and 177,105.16 is: 244,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,335.89 : 442,072.75 = 177,105.16 : x
  2. Step 2: Convert to fraction form
    320,335.89/442,072.75 = 177,105.16/x
  3. Step 3: Cross multiply
    320,335.89x = 442,072.75 × 177,105.16
  4. Step 4: Simplify right side
    320,335.89x = 78,293,362,910.03
  5. Step 5: Solve for x
    x = 78,293,362,910.03/320,335.89
  6. Step 6: Final answer
    x = 244,410.22

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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.