Home / 225,743.36-311,565.51-171,475.25

Finding the Fourth Proportional to 225,743.36, 311,565.51 and 171,475.25

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Solution

The fourth proportional to 225,743.36, 311,565.51 and 171,475.25 is: 236,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,743.36 : 311,565.51 = 171,475.25 : x
  2. Step 2: Convert to fraction form
    225,743.36/311,565.51 = 171,475.25/x
  3. Step 3: Cross multiply
    225,743.36x = 311,565.51 × 171,475.25
  4. Step 4: Simplify right side
    225,743.36x = 53,425,772,160.80
  5. Step 5: Solve for x
    x = 53,425,772,160.80/225,743.36
  6. Step 6: Final answer
    x = 236,665.98

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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.