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Finding the Fourth Proportional to 284,304.39, 426,662.34 and 111,221.64

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Solution

The fourth proportional to 284,304.39, 426,662.34 and 111,221.64 is: 166,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,304.39 : 426,662.34 = 111,221.64 : x
  2. Step 2: Convert to fraction form
    284,304.39/426,662.34 = 111,221.64/x
  3. Step 3: Cross multiply
    284,304.39x = 426,662.34 × 111,221.64
  4. Step 4: Simplify right side
    284,304.39x = 47,454,085,181.04
  5. Step 5: Solve for x
    x = 47,454,085,181.04/284,304.39
  6. Step 6: Final answer
    x = 166,912.95

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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.