Home / 225,822.36-311,612.40-130,359.81

Finding the Fourth Proportional to 225,822.36, 311,612.40 and 130,359.81

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Solution

The fourth proportional to 225,822.36, 311,612.40 and 130,359.81 is: 179,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,822.36 : 311,612.40 = 130,359.81 : x
  2. Step 2: Convert to fraction form
    225,822.36/311,612.40 = 130,359.81/x
  3. Step 3: Cross multiply
    225,822.36x = 311,612.40 × 130,359.81
  4. Step 4: Simplify right side
    225,822.36x = 40,621,733,257.64
  5. Step 5: Solve for x
    x = 40,621,733,257.64/225,822.36
  6. Step 6: Final answer
    x = 179,883.57

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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.