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Finding the Fourth Proportional to 350,287, 483,396.60 and 199,384

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Solution

The fourth proportional to 350,287, 483,396.60 and 199,384 is: 275,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,287 : 483,396.60 = 199,384 : x
  2. Step 2: Convert to fraction form
    350,287/483,396.60 = 199,384/x
  3. Step 3: Cross multiply
    350,287x = 483,396.60 × 199,384
  4. Step 4: Simplify right side
    350,287x = 96,381,547,694.40
  5. Step 5: Solve for x
    x = 96,381,547,694.40/350,287
  6. Step 6: Final answer
    x = 275,150.23

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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.