Home / 328,040.91-492,211.30-148,174.43

Finding the Fourth Proportional to 328,040.91, 492,211.30 and 148,174.43

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Solution

The fourth proportional to 328,040.91, 492,211.30 and 148,174.43 is: 222,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,040.91 : 492,211.30 = 148,174.43 : x
  2. Step 2: Convert to fraction form
    328,040.91/492,211.30 = 148,174.43/x
  3. Step 3: Cross multiply
    328,040.91x = 492,211.30 × 148,174.43
  4. Step 4: Simplify right side
    328,040.91x = 72,933,128,817.06
  5. Step 5: Solve for x
    x = 72,933,128,817.06/328,040.91
  6. Step 6: Final answer
    x = 222,329.37

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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.