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Finding the Fourth Proportional to 235,038, 324,352.44 and 129,054

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Solution

The fourth proportional to 235,038, 324,352.44 and 129,054 is: 178,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,038 : 324,352.44 = 129,054 : x
  2. Step 2: Convert to fraction form
    235,038/324,352.44 = 129,054/x
  3. Step 3: Cross multiply
    235,038x = 324,352.44 × 129,054
  4. Step 4: Simplify right side
    235,038x = 41,858,979,791.76
  5. Step 5: Solve for x
    x = 41,858,979,791.76/235,038
  6. Step 6: Final answer
    x = 178,094.52

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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.