Home / 232,213.28-320,458-130,261.40

Finding the Fourth Proportional to 232,213.28, 320,458 and 130,261.40

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Solution

The fourth proportional to 232,213.28, 320,458 and 130,261.40 is: 179,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,213.28 : 320,458 = 130,261.40 : x
  2. Step 2: Convert to fraction form
    232,213.28/320,458 = 130,261.40/x
  3. Step 3: Cross multiply
    232,213.28x = 320,458 × 130,261.40
  4. Step 4: Simplify right side
    232,213.28x = 41,743,307,721.20
  5. Step 5: Solve for x
    x = 41,743,307,721.20/232,213.28
  6. Step 6: Final answer
    x = 179,762.79

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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.