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Finding the Fourth Proportional to 227,064.08, 340,245.72 and 143,783.12

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Solution

The fourth proportional to 227,064.08, 340,245.72 and 143,783.12 is: 215,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,064.08 : 340,245.72 = 143,783.12 : x
  2. Step 2: Convert to fraction form
    227,064.08/340,245.72 = 143,783.12/x
  3. Step 3: Cross multiply
    227,064.08x = 340,245.72 × 143,783.12
  4. Step 4: Simplify right side
    227,064.08x = 48,921,591,188.25
  5. Step 5: Solve for x
    x = 48,921,591,188.25/227,064.08
  6. Step 6: Final answer
    x = 215,452.80

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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.