Home / 258,261.38-356,376.22-239,218.08

Finding the Fourth Proportional to 258,261.38, 356,376.22 and 239,218.08

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Solution

The fourth proportional to 258,261.38, 356,376.22 and 239,218.08 is: 330,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,261.38 : 356,376.22 = 239,218.08 : x
  2. Step 2: Convert to fraction form
    258,261.38/356,376.22 = 239,218.08/x
  3. Step 3: Cross multiply
    258,261.38x = 356,376.22 × 239,218.08
  4. Step 4: Simplify right side
    258,261.38x = 85,251,635,106.06
  5. Step 5: Solve for x
    x = 85,251,635,106.06/258,261.38
  6. Step 6: Final answer
    x = 330,098.27

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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.