Home / 445,141.71-667,743.39-178,902.45

Finding the Fourth Proportional to 445,141.71, 667,743.39 and 178,902.45

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Solution

The fourth proportional to 445,141.71, 667,743.39 and 178,902.45 is: 268,366.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,141.71 : 667,743.39 = 178,902.45 : x
  2. Step 2: Convert to fraction form
    445,141.71/667,743.39 = 178,902.45/x
  3. Step 3: Cross multiply
    445,141.71x = 667,743.39 × 178,902.45
  4. Step 4: Simplify right side
    445,141.71x = 119,460,928,442.31
  5. Step 5: Solve for x
    x = 119,460,928,442.31/445,141.71
  6. Step 6: Final answer
    x = 268,366.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.