Home / 389,861.46-584,791.76-146,747.94

Finding the Fourth Proportional to 389,861.46, 584,791.76 and 146,747.94

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Solution

The fourth proportional to 389,861.46, 584,791.76 and 146,747.94 is: 220,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,861.46 : 584,791.76 = 146,747.94 : x
  2. Step 2: Convert to fraction form
    389,861.46/584,791.76 = 146,747.94/x
  3. Step 3: Cross multiply
    389,861.46x = 584,791.76 × 146,747.94
  4. Step 4: Simplify right side
    389,861.46x = 85,816,985,375.23
  5. Step 5: Solve for x
    x = 85,816,985,375.23/389,861.46
  6. Step 6: Final answer
    x = 220,121.75

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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.