Home / 319,262.56-479,205.48-263,669.02

Finding the Fourth Proportional to 319,262.56, 479,205.48 and 263,669.02

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Solution

The fourth proportional to 319,262.56, 479,205.48 and 263,669.02 is: 395,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,262.56 : 479,205.48 = 263,669.02 : x
  2. Step 2: Convert to fraction form
    319,262.56/479,205.48 = 263,669.02/x
  3. Step 3: Cross multiply
    319,262.56x = 479,205.48 × 263,669.02
  4. Step 4: Simplify right side
    319,262.56x = 126,351,638,092.22
  5. Step 5: Solve for x
    x = 126,351,638,092.22/319,262.56
  6. Step 6: Final answer
    x = 395,760.90

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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.