Home / 319,634.28-479,326.77-119,845.80

Finding the Fourth Proportional to 319,634.28, 479,326.77 and 119,845.80

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Solution

The fourth proportional to 319,634.28, 479,326.77 and 119,845.80 is: 179,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,634.28 : 479,326.77 = 119,845.80 : x
  2. Step 2: Convert to fraction form
    319,634.28/479,326.77 = 119,845.80/x
  3. Step 3: Cross multiply
    319,634.28x = 479,326.77 × 119,845.80
  4. Step 4: Simplify right side
    319,634.28x = 57,445,300,212.07
  5. Step 5: Solve for x
    x = 57,445,300,212.07/319,634.28
  6. Step 6: Final answer
    x = 179,721.96

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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.