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Finding the Fourth Proportional to 304,527.91, 456,634.48 and 133,679.70

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Solution

The fourth proportional to 304,527.91, 456,634.48 and 133,679.70 is: 200,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,527.91 : 456,634.48 = 133,679.70 : x
  2. Step 2: Convert to fraction form
    304,527.91/456,634.48 = 133,679.70/x
  3. Step 3: Cross multiply
    304,527.91x = 456,634.48 × 133,679.70
  4. Step 4: Simplify right side
    304,527.91x = 61,042,760,296.06
  5. Step 5: Solve for x
    x = 61,042,760,296.06/304,527.91
  6. Step 6: Final answer
    x = 200,450.46

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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.