Home / 258,040.44-356,083.70-143,326.53

Finding the Fourth Proportional to 258,040.44, 356,083.70 and 143,326.53

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Solution

The fourth proportional to 258,040.44, 356,083.70 and 143,326.53 is: 197,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,040.44 : 356,083.70 = 143,326.53 : x
  2. Step 2: Convert to fraction form
    258,040.44/356,083.70 = 143,326.53/x
  3. Step 3: Cross multiply
    258,040.44x = 356,083.70 × 143,326.53
  4. Step 4: Simplify right side
    258,040.44x = 51,036,240,393.93
  5. Step 5: Solve for x
    x = 51,036,240,393.93/258,040.44
  6. Step 6: Final answer
    x = 197,783.88

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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.