Home / 258,187.41-356,326.38-156,268.94

Finding the Fourth Proportional to 258,187.41, 356,326.38 and 156,268.94

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Solution

The fourth proportional to 258,187.41, 356,326.38 and 156,268.94 is: 215,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,187.41 : 356,326.38 = 156,268.94 : x
  2. Step 2: Convert to fraction form
    258,187.41/356,326.38 = 156,268.94/x
  3. Step 3: Cross multiply
    258,187.41x = 356,326.38 × 156,268.94
  4. Step 4: Simplify right side
    258,187.41x = 55,682,743,915.01
  5. Step 5: Solve for x
    x = 55,682,743,915.01/258,187.41
  6. Step 6: Final answer
    x = 215,667.93

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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.