Home / 457,140.33-685,755.60-157,581.48

Finding the Fourth Proportional to 457,140.33, 685,755.60 and 157,581.48

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Solution

The fourth proportional to 457,140.33, 685,755.60 and 157,581.48 is: 236,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,140.33 : 685,755.60 = 157,581.48 : x
  2. Step 2: Convert to fraction form
    457,140.33/685,755.60 = 157,581.48/x
  3. Step 3: Cross multiply
    457,140.33x = 685,755.60 × 157,581.48
  4. Step 4: Simplify right side
    457,140.33x = 108,062,382,366.29
  5. Step 5: Solve for x
    x = 108,062,382,366.29/457,140.33
  6. Step 6: Final answer
    x = 236,387.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.