Home / 319,072.27-440,314.06-173,879.35

Finding the Fourth Proportional to 319,072.27, 440,314.06 and 173,879.35

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Solution

The fourth proportional to 319,072.27, 440,314.06 and 173,879.35 is: 239,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,072.27 : 440,314.06 = 173,879.35 : x
  2. Step 2: Convert to fraction form
    319,072.27/440,314.06 = 173,879.35/x
  3. Step 3: Cross multiply
    319,072.27x = 440,314.06 × 173,879.35
  4. Step 4: Simplify right side
    319,072.27x = 76,561,522,548.66
  5. Step 5: Solve for x
    x = 76,561,522,548.66/319,072.27
  6. Step 6: Final answer
    x = 239,950.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.