Home / 319,084.68-440,336.96-173,890.52

Finding the Fourth Proportional to 319,084.68, 440,336.96 and 173,890.52

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Solution

The fourth proportional to 319,084.68, 440,336.96 and 173,890.52 is: 239,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,084.68 : 440,336.96 = 173,890.52 : x
  2. Step 2: Convert to fraction form
    319,084.68/440,336.96 = 173,890.52/x
  3. Step 3: Cross multiply
    319,084.68x = 440,336.96 × 173,890.52
  4. Step 4: Simplify right side
    319,084.68x = 76,570,422,949.62
  5. Step 5: Solve for x
    x = 76,570,422,949.62/319,084.68
  6. Step 6: Final answer
    x = 239,968.97

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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.