Home / 320,351.53-442,094.34-177,120.82

Finding the Fourth Proportional to 320,351.53, 442,094.34 and 177,120.82

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Solution

The fourth proportional to 320,351.53, 442,094.34 and 177,120.82 is: 244,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,351.53 : 442,094.34 = 177,120.82 : x
  2. Step 2: Convert to fraction form
    320,351.53/442,094.34 = 177,120.82/x
  3. Step 3: Cross multiply
    320,351.53x = 442,094.34 × 177,120.82
  4. Step 4: Simplify right side
    320,351.53x = 78,304,112,018.16
  5. Step 5: Solve for x
    x = 78,304,112,018.16/320,351.53
  6. Step 6: Final answer
    x = 244,431.83

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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.