Home / 320,297.09-442,003.94-177,054.05

Finding the Fourth Proportional to 320,297.09, 442,003.94 and 177,054.05

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Solution

The fourth proportional to 320,297.09, 442,003.94 and 177,054.05 is: 244,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,297.09 : 442,003.94 = 177,054.05 : x
  2. Step 2: Convert to fraction form
    320,297.09/442,003.94 = 177,054.05/x
  3. Step 3: Cross multiply
    320,297.09x = 442,003.94 × 177,054.05
  4. Step 4: Simplify right side
    320,297.09x = 78,258,588,576.65
  5. Step 5: Solve for x
    x = 78,258,588,576.65/320,297.09
  6. Step 6: Final answer
    x = 244,331.25

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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.