Home / 235,828.58-325,645.71-228,202.66

Finding the Fourth Proportional to 235,828.58, 325,645.71 and 228,202.66

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Solution

The fourth proportional to 235,828.58, 325,645.71 and 228,202.66 is: 315,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,828.58 : 325,645.71 = 228,202.66 : x
  2. Step 2: Convert to fraction form
    235,828.58/325,645.71 = 228,202.66/x
  3. Step 3: Cross multiply
    235,828.58x = 325,645.71 × 228,202.66
  4. Step 4: Simplify right side
    235,828.58x = 74,313,216,689.88
  5. Step 5: Solve for x
    x = 74,313,216,689.88/235,828.58
  6. Step 6: Final answer
    x = 315,115.40

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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.