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Finding the Fourth Proportional to 335,659.70, 462,888.42 and 225,527.41

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Solution

The fourth proportional to 335,659.70, 462,888.42 and 225,527.41 is: 311,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,659.70 : 462,888.42 = 225,527.41 : x
  2. Step 2: Convert to fraction form
    335,659.70/462,888.42 = 225,527.41/x
  3. Step 3: Cross multiply
    335,659.70x = 462,888.42 × 225,527.41
  4. Step 4: Simplify right side
    335,659.70x = 104,394,024,510.73
  5. Step 5: Solve for x
    x = 104,394,024,510.73/335,659.70
  6. Step 6: Final answer
    x = 311,011.49

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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.