Home / 225,822.51-311,634.57-130,329.21

Finding the Fourth Proportional to 225,822.51, 311,634.57 and 130,329.21

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Solution

The fourth proportional to 225,822.51, 311,634.57 and 130,329.21 is: 179,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,822.51 : 311,634.57 = 130,329.21 : x
  2. Step 2: Convert to fraction form
    225,822.51/311,634.57 = 130,329.21/x
  3. Step 3: Cross multiply
    225,822.51x = 311,634.57 × 130,329.21
  4. Step 4: Simplify right side
    225,822.51x = 40,615,087,316.79
  5. Step 5: Solve for x
    x = 40,615,087,316.79/225,822.51
  6. Step 6: Final answer
    x = 179,854.02

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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.