Home / 319,583.06-479,440.19-94,923.48

Finding the Fourth Proportional to 319,583.06, 479,440.19 and 94,923.48

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Solution

The fourth proportional to 319,583.06, 479,440.19 and 94,923.48 is: 142,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,583.06 : 479,440.19 = 94,923.48 : x
  2. Step 2: Convert to fraction form
    319,583.06/479,440.19 = 94,923.48/x
  3. Step 3: Cross multiply
    319,583.06x = 479,440.19 × 94,923.48
  4. Step 4: Simplify right side
    319,583.06x = 45,510,131,286.66
  5. Step 5: Solve for x
    x = 45,510,131,286.66/319,583.06
  6. Step 6: Final answer
    x = 142,404.70

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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.