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Finding the Fourth Proportional to 225,580.70, 311,300.37 and 123,606.02

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Solution

The fourth proportional to 225,580.70, 311,300.37 and 123,606.02 is: 170,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,580.70 : 311,300.37 = 123,606.02 : x
  2. Step 2: Convert to fraction form
    225,580.70/311,300.37 = 123,606.02/x
  3. Step 3: Cross multiply
    225,580.70x = 311,300.37 × 123,606.02
  4. Step 4: Simplify right side
    225,580.70x = 38,478,599,760.23
  5. Step 5: Solve for x
    x = 38,478,599,760.23/225,580.70
  6. Step 6: Final answer
    x = 170,575.76

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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.