Home / 319,976.96-479,243.70-248,327.18

Finding the Fourth Proportional to 319,976.96, 479,243.70 and 248,327.18

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Solution

The fourth proportional to 319,976.96, 479,243.70 and 248,327.18 is: 371,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,976.96 : 479,243.70 = 248,327.18 : x
  2. Step 2: Convert to fraction form
    319,976.96/479,243.70 = 248,327.18/x
  3. Step 3: Cross multiply
    319,976.96x = 479,243.70 × 248,327.18
  4. Step 4: Simplify right side
    319,976.96x = 119,009,236,553.77
  5. Step 5: Solve for x
    x = 119,009,236,553.77/319,976.96
  6. Step 6: Final answer
    x = 371,930.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.