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Finding the Fourth Proportional to 228,653.10, 343,016.10 and 95,464.80

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Solution

The fourth proportional to 228,653.10, 343,016.10 and 95,464.80 is: 143,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,653.10 : 343,016.10 = 95,464.80 : x
  2. Step 2: Convert to fraction form
    228,653.10/343,016.10 = 95,464.80/x
  3. Step 3: Cross multiply
    228,653.10x = 343,016.10 × 95,464.80
  4. Step 4: Simplify right side
    228,653.10x = 32,745,963,383.28
  5. Step 5: Solve for x
    x = 32,745,963,383.28/228,653.10
  6. Step 6: Final answer
    x = 143,212.42

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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.