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Finding the Fourth Proportional to 245,448.62, 367,727.97 and 112,440.14

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Solution

The fourth proportional to 245,448.62, 367,727.97 and 112,440.14 is: 168,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,448.62 : 367,727.97 = 112,440.14 : x
  2. Step 2: Convert to fraction form
    245,448.62/367,727.97 = 112,440.14/x
  3. Step 3: Cross multiply
    245,448.62x = 367,727.97 × 112,440.14
  4. Step 4: Simplify right side
    245,448.62x = 41,347,384,428.72
  5. Step 5: Solve for x
    x = 41,347,384,428.72/245,448.62
  6. Step 6: Final answer
    x = 168,456.37

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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.