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Finding the Fourth Proportional to 235,007, 324,310.07 and 134,405

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Solution

The fourth proportional to 235,007, 324,310.07 and 134,405 is: 185,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,007 : 324,310.07 = 134,405 : x
  2. Step 2: Convert to fraction form
    235,007/324,310.07 = 134,405/x
  3. Step 3: Cross multiply
    235,007x = 324,310.07 × 134,405
  4. Step 4: Simplify right side
    235,007x = 43,588,894,286.33
  5. Step 5: Solve for x
    x = 43,588,894,286.33/235,007
  6. Step 6: Final answer
    x = 185,479.13

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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.