Home / 319,625.28-479,313.27-119,836.80

Finding the Fourth Proportional to 319,625.28, 479,313.27 and 119,836.80

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Solution

The fourth proportional to 319,625.28, 479,313.27 and 119,836.80 is: 179,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,625.28 : 479,313.27 = 119,836.80 : x
  2. Step 2: Convert to fraction form
    319,625.28/479,313.27 = 119,836.80/x
  3. Step 3: Cross multiply
    319,625.28x = 479,313.27 × 119,836.80
  4. Step 4: Simplify right side
    319,625.28x = 57,439,368,474.34
  5. Step 5: Solve for x
    x = 57,439,368,474.34/319,625.28
  6. Step 6: Final answer
    x = 179,708.47

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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.