Home / 258,229.56-356,335.02-157,608.12

Finding the Fourth Proportional to 258,229.56, 356,335.02 and 157,608.12

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Solution

The fourth proportional to 258,229.56, 356,335.02 and 157,608.12 is: 217,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,229.56 : 356,335.02 = 157,608.12 : x
  2. Step 2: Convert to fraction form
    258,229.56/356,335.02 = 157,608.12/x
  3. Step 3: Cross multiply
    258,229.56x = 356,335.02 × 157,608.12
  4. Step 4: Simplify right side
    258,229.56x = 56,161,292,592.36
  5. Step 5: Solve for x
    x = 56,161,292,592.36/258,229.56
  6. Step 6: Final answer
    x = 217,485.92

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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.