Home / 225,474.35-311,143.46-123,500.25

Finding the Fourth Proportional to 225,474.35, 311,143.46 and 123,500.25

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Solution

The fourth proportional to 225,474.35, 311,143.46 and 123,500.25 is: 170,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,474.35 : 311,143.46 = 123,500.25 : x
  2. Step 2: Convert to fraction form
    225,474.35/311,143.46 = 123,500.25/x
  3. Step 3: Cross multiply
    225,474.35x = 311,143.46 × 123,500.25
  4. Step 4: Simplify right side
    225,474.35x = 38,426,294,478.36
  5. Step 5: Solve for x
    x = 38,426,294,478.36/225,474.35
  6. Step 6: Final answer
    x = 170,424.24

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1.5x scale

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.