Home / 320,321.37-442,009.67-177,058.29

Finding the Fourth Proportional to 320,321.37, 442,009.67 and 177,058.29

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Solution

The fourth proportional to 320,321.37, 442,009.67 and 177,058.29 is: 244,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,321.37 : 442,009.67 = 177,058.29 : x
  2. Step 2: Convert to fraction form
    320,321.37/442,009.67 = 177,058.29/x
  3. Step 3: Cross multiply
    320,321.37x = 442,009.67 × 177,058.29
  4. Step 4: Simplify right side
    320,321.37x = 78,261,475,448.37
  5. Step 5: Solve for x
    x = 78,261,475,448.37/320,321.37
  6. Step 6: Final answer
    x = 244,321.74

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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.