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Finding the Fourth Proportional to 397,233.60, 595,850.40 and 210,609.60

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Solution

The fourth proportional to 397,233.60, 595,850.40 and 210,609.60 is: 315,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,233.60 : 595,850.40 = 210,609.60 : x
  2. Step 2: Convert to fraction form
    397,233.60/595,850.40 = 210,609.60/x
  3. Step 3: Cross multiply
    397,233.60x = 595,850.40 × 210,609.60
  4. Step 4: Simplify right side
    397,233.60x = 125,491,814,403.84
  5. Step 5: Solve for x
    x = 125,491,814,403.84/397,233.60
  6. Step 6: Final answer
    x = 315,914.40

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Similar ratio
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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.