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Finding the Fourth Proportional to 361,896.93, 499,254.03 and 225,964.89

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Solution

The fourth proportional to 361,896.93, 499,254.03 and 225,964.89 is: 311,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,896.93 : 499,254.03 = 225,964.89 : x
  2. Step 2: Convert to fraction form
    361,896.93/499,254.03 = 225,964.89/x
  3. Step 3: Cross multiply
    361,896.93x = 499,254.03 × 225,964.89
  4. Step 4: Simplify right side
    361,896.93x = 112,813,881,971.01
  5. Step 5: Solve for x
    x = 112,813,881,971.01/361,896.93
  6. Step 6: Final answer
    x = 311,729.31

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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.