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Finding the Fourth Proportional to 519,846.73, 779,797.82 and 164,888.12

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Solution

The fourth proportional to 519,846.73, 779,797.82 and 164,888.12 is: 247,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,846.73 : 779,797.82 = 164,888.12 : x
  2. Step 2: Convert to fraction form
    519,846.73/779,797.82 = 164,888.12/x
  3. Step 3: Cross multiply
    519,846.73x = 779,797.82 × 164,888.12
  4. Step 4: Simplify right side
    519,846.73x = 128,579,396,519.90
  5. Step 5: Solve for x
    x = 128,579,396,519.90/519,846.73
  6. Step 6: Final answer
    x = 247,340.97

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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.