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Finding the Fourth Proportional to 650,851.20, 976,186.80 and 201,880.80

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Solution

The fourth proportional to 650,851.20, 976,186.80 and 201,880.80 is: 302,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,851.20 : 976,186.80 = 201,880.80 : x
  2. Step 2: Convert to fraction form
    650,851.20/976,186.80 = 201,880.80/x
  3. Step 3: Cross multiply
    650,851.20x = 976,186.80 × 201,880.80
  4. Step 4: Simplify right side
    650,851.20x = 197,073,372,133.44
  5. Step 5: Solve for x
    x = 197,073,372,133.44/650,851.20
  6. Step 6: Final answer
    x = 302,793.28

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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.