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Finding the Fourth Proportional to 463,661.28, 694,351.44 and 226,238.40

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Solution

The fourth proportional to 463,661.28, 694,351.44 and 226,238.40 is: 338,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,661.28 : 694,351.44 = 226,238.40 : x
  2. Step 2: Convert to fraction form
    463,661.28/694,351.44 = 226,238.40/x
  3. Step 3: Cross multiply
    463,661.28x = 694,351.44 × 226,238.40
  4. Step 4: Simplify right side
    463,661.28x = 157,088,958,823.30
  5. Step 5: Solve for x
    x = 157,088,958,823.30/463,661.28
  6. Step 6: Final answer
    x = 338,801.12

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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.