Home / 225,821.36-311,611.02-130,358.81

Finding the Fourth Proportional to 225,821.36, 311,611.02 and 130,358.81

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Solution

The fourth proportional to 225,821.36, 311,611.02 and 130,358.81 is: 179,882.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,821.36 : 311,611.02 = 130,358.81 : x
  2. Step 2: Convert to fraction form
    225,821.36/311,611.02 = 130,358.81/x
  3. Step 3: Cross multiply
    225,821.36x = 311,611.02 × 130,358.81
  4. Step 4: Simplify right side
    225,821.36x = 40,621,241,605.00
  5. Step 5: Solve for x
    x = 40,621,241,605.00/225,821.36
  6. Step 6: Final answer
    x = 179,882.19

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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.