Home / 319,545.44-479,318.32-109,185.44

Finding the Fourth Proportional to 319,545.44, 479,318.32 and 109,185.44

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Solution

The fourth proportional to 319,545.44, 479,318.32 and 109,185.44 is: 163,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,545.44 : 479,318.32 = 109,185.44 : x
  2. Step 2: Convert to fraction form
    319,545.44/479,318.32 = 109,185.44/x
  3. Step 3: Cross multiply
    319,545.44x = 479,318.32 × 109,185.44
  4. Step 4: Simplify right side
    319,545.44x = 52,334,581,669.26
  5. Step 5: Solve for x
    x = 52,334,581,669.26/319,545.44
  6. Step 6: Final answer
    x = 163,778.21

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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.