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Finding the Fourth Proportional to 235,488.84, 324,983.14 and 134,906.28

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Solution

The fourth proportional to 235,488.84, 324,983.14 and 134,906.28 is: 186,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,488.84 : 324,983.14 = 134,906.28 : x
  2. Step 2: Convert to fraction form
    235,488.84/324,983.14 = 134,906.28/x
  3. Step 3: Cross multiply
    235,488.84x = 324,983.14 × 134,906.28
  4. Step 4: Simplify right side
    235,488.84x = 43,842,266,480.12
  5. Step 5: Solve for x
    x = 43,842,266,480.12/235,488.84
  6. Step 6: Final answer
    x = 186,175.56

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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.