Home / 225,921.73-312,096.39-180,540.26

Finding the Fourth Proportional to 225,921.73, 312,096.39 and 180,540.26

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Solution

The fourth proportional to 225,921.73, 312,096.39 and 180,540.26 is: 249,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,921.73 : 312,096.39 = 180,540.26 : x
  2. Step 2: Convert to fraction form
    225,921.73/312,096.39 = 180,540.26/x
  3. Step 3: Cross multiply
    225,921.73x = 312,096.39 × 180,540.26
  4. Step 4: Simplify right side
    225,921.73x = 56,345,963,395.66
  5. Step 5: Solve for x
    x = 56,345,963,395.66/225,921.73
  6. Step 6: Final answer
    x = 249,404.80

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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.