Home / 258,262.38-356,377.60-239,219.08

Finding the Fourth Proportional to 258,262.38, 356,377.60 and 239,219.08

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Solution

The fourth proportional to 258,262.38, 356,377.60 and 239,219.08 is: 330,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,262.38 : 356,377.60 = 239,219.08 : x
  2. Step 2: Convert to fraction form
    258,262.38/356,377.60 = 239,219.08/x
  3. Step 3: Cross multiply
    258,262.38x = 356,377.60 × 239,219.08
  4. Step 4: Simplify right side
    258,262.38x = 85,252,321,604.61
  5. Step 5: Solve for x
    x = 85,252,321,604.61/258,262.38
  6. Step 6: Final answer
    x = 330,099.65

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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.