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Finding the Fourth Proportional to 371,576.35, 511,609.93 and 327,923.83

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Solution

The fourth proportional to 371,576.35, 511,609.93 and 327,923.83 is: 451,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,576.35 : 511,609.93 = 327,923.83 : x
  2. Step 2: Convert to fraction form
    371,576.35/511,609.93 = 327,923.83/x
  3. Step 3: Cross multiply
    371,576.35x = 511,609.93 × 327,923.83
  4. Step 4: Simplify right side
    371,576.35x = 167,769,087,711.63
  5. Step 5: Solve for x
    x = 167,769,087,711.63/371,576.35
  6. Step 6: Final answer
    x = 451,506.37

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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.