Home / 235,488.34-324,982.46-134,905.78

Finding the Fourth Proportional to 235,488.34, 324,982.46 and 134,905.78

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Solution

The fourth proportional to 235,488.34, 324,982.46 and 134,905.78 is: 186,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,488.34 : 324,982.46 = 134,905.78 : x
  2. Step 2: Convert to fraction form
    235,488.34/324,982.46 = 134,905.78/x
  3. Step 3: Cross multiply
    235,488.34x = 324,982.46 × 134,905.78
  4. Step 4: Simplify right side
    235,488.34x = 43,842,012,252.62
  5. Step 5: Solve for x
    x = 43,842,012,252.62/235,488.34
  6. Step 6: Final answer
    x = 186,174.87

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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.