Home / 308,207.43-425,326.82-172,241.37

Finding the Fourth Proportional to 308,207.43, 425,326.82 and 172,241.37

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Solution

The fourth proportional to 308,207.43, 425,326.82 and 172,241.37 is: 237,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,207.43 : 425,326.82 = 172,241.37 : x
  2. Step 2: Convert to fraction form
    308,207.43/425,326.82 = 172,241.37/x
  3. Step 3: Cross multiply
    308,207.43x = 425,326.82 × 172,241.37
  4. Step 4: Simplify right side
    308,207.43x = 73,258,873,313.34
  5. Step 5: Solve for x
    x = 73,258,873,313.34/308,207.43
  6. Step 6: Final answer
    x = 237,693.40

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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.