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Finding the Fourth Proportional to 319,778.82, 479,210.55 and 234,873

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Solution

The fourth proportional to 319,778.82, 479,210.55 and 234,873 is: 351,973.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,778.82 : 479,210.55 = 234,873 : x
  2. Step 2: Convert to fraction form
    319,778.82/479,210.55 = 234,873/x
  3. Step 3: Cross multiply
    319,778.82x = 479,210.55 × 234,873
  4. Step 4: Simplify right side
    319,778.82x = 112,553,619,510.15
  5. Step 5: Solve for x
    x = 112,553,619,510.15/319,778.82
  6. Step 6: Final answer
    x = 351,973.34

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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.