Home / 238,858.08-358,229.40-70,332.54

Finding the Fourth Proportional to 238,858.08, 358,229.40 and 70,332.54

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Solution

The fourth proportional to 238,858.08, 358,229.40 and 70,332.54 is: 105,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,858.08 : 358,229.40 = 70,332.54 : x
  2. Step 2: Convert to fraction form
    238,858.08/358,229.40 = 70,332.54/x
  3. Step 3: Cross multiply
    238,858.08x = 358,229.40 × 70,332.54
  4. Step 4: Simplify right side
    238,858.08x = 25,195,183,604.68
  5. Step 5: Solve for x
    x = 25,195,183,604.68/238,858.08
  6. Step 6: Final answer
    x = 105,481.81

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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.