Home / 227,112.43-313,421.48-130,324.47

Finding the Fourth Proportional to 227,112.43, 313,421.48 and 130,324.47

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Solution

The fourth proportional to 227,112.43, 313,421.48 and 130,324.47 is: 179,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,112.43 : 313,421.48 = 130,324.47 : x
  2. Step 2: Convert to fraction form
    227,112.43/313,421.48 = 130,324.47/x
  3. Step 3: Cross multiply
    227,112.43x = 313,421.48 × 130,324.47
  4. Step 4: Simplify right side
    227,112.43x = 40,846,487,444.34
  5. Step 5: Solve for x
    x = 40,846,487,444.34/227,112.43
  6. Step 6: Final answer
    x = 179,851.39

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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.