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Finding the Fourth Proportional to 235,396.96, 324,846.45 and 133,441.65

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Solution

The fourth proportional to 235,396.96, 324,846.45 and 133,441.65 is: 184,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,396.96 : 324,846.45 = 133,441.65 : x
  2. Step 2: Convert to fraction form
    235,396.96/324,846.45 = 133,441.65/x
  3. Step 3: Cross multiply
    235,396.96x = 324,846.45 × 133,441.65
  4. Step 4: Simplify right side
    235,396.96x = 43,348,046,284.64
  5. Step 5: Solve for x
    x = 43,348,046,284.64/235,396.96
  6. Step 6: Final answer
    x = 184,148.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.