Home / 235,140.31-324,272.59-181,340.11

Finding the Fourth Proportional to 235,140.31, 324,272.59 and 181,340.11

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Solution

The fourth proportional to 235,140.31, 324,272.59 and 181,340.11 is: 250,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,140.31 : 324,272.59 = 181,340.11 : x
  2. Step 2: Convert to fraction form
    235,140.31/324,272.59 = 181,340.11/x
  3. Step 3: Cross multiply
    235,140.31x = 324,272.59 × 181,340.11
  4. Step 4: Simplify right side
    235,140.31x = 58,803,627,140.58
  5. Step 5: Solve for x
    x = 58,803,627,140.58/235,140.31
  6. Step 6: Final answer
    x = 250,078.89

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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.