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Finding the Fourth Proportional to 442,451.28, 610,583.94 and 241,247.28

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Solution

The fourth proportional to 442,451.28, 610,583.94 and 241,247.28 is: 332,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,451.28 : 610,583.94 = 241,247.28 : x
  2. Step 2: Convert to fraction form
    442,451.28/610,583.94 = 241,247.28/x
  3. Step 3: Cross multiply
    442,451.28x = 610,583.94 × 241,247.28
  4. Step 4: Simplify right side
    442,451.28x = 147,301,714,736.68
  5. Step 5: Solve for x
    x = 147,301,714,736.68/442,451.28
  6. Step 6: Final answer
    x = 332,921.89

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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.