Home / 328,233.87-492,433.83-91,576.37

Finding the Fourth Proportional to 328,233.87, 492,433.83 and 91,576.37

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Solution

The fourth proportional to 328,233.87, 492,433.83 and 91,576.37 is: 137,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,233.87 : 492,433.83 = 91,576.37 : x
  2. Step 2: Convert to fraction form
    328,233.87/492,433.83 = 91,576.37/x
  3. Step 3: Cross multiply
    328,233.87x = 492,433.83 × 91,576.37
  4. Step 4: Simplify right side
    328,233.87x = 45,095,302,616.60
  5. Step 5: Solve for x
    x = 45,095,302,616.60/328,233.87
  6. Step 6: Final answer
    x = 137,387.72

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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.