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Finding the Fourth Proportional to 404,266.70, 606,788.85 and 204,812.30

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Solution

The fourth proportional to 404,266.70, 606,788.85 and 204,812.30 is: 307,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,266.70 : 606,788.85 = 204,812.30 : x
  2. Step 2: Convert to fraction form
    404,266.70/606,788.85 = 204,812.30/x
  3. Step 3: Cross multiply
    404,266.70x = 606,788.85 × 204,812.30
  4. Step 4: Simplify right side
    404,266.70x = 124,277,819,982.86
  5. Step 5: Solve for x
    x = 124,277,819,982.86/404,266.70
  6. Step 6: Final answer
    x = 307,415.43

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1.5x scale

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.