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Finding the Fourth Proportional to 650,768.20, 976,062.30 and 201,797.80

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Solution

The fourth proportional to 650,768.20, 976,062.30 and 201,797.80 is: 302,668.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,768.20 : 976,062.30 = 201,797.80 : x
  2. Step 2: Convert to fraction form
    650,768.20/976,062.30 = 201,797.80/x
  3. Step 3: Cross multiply
    650,768.20x = 976,062.30 × 201,797.80
  4. Step 4: Simplify right side
    650,768.20x = 196,967,224,802.94
  5. Step 5: Solve for x
    x = 196,967,224,802.94/650,768.20
  6. Step 6: Final answer
    x = 302,668.79

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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.