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Finding the Fourth Proportional to 293,884.20, 440,135.10 and 293,884.20

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Solution

The fourth proportional to 293,884.20, 440,135.10 and 293,884.20 is: 440,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,884.20 : 440,135.10 = 293,884.20 : x
  2. Step 2: Convert to fraction form
    293,884.20/440,135.10 = 293,884.20/x
  3. Step 3: Cross multiply
    293,884.20x = 440,135.10 × 293,884.20
  4. Step 4: Simplify right side
    293,884.20x = 129,348,751,755.42
  5. Step 5: Solve for x
    x = 129,348,751,755.42/293,884.20
  6. Step 6: Final answer
    x = 440,135.10

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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.