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Finding the Fourth Proportional to 407,180.49, 610,770.72 and 220,556.49

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Solution

The fourth proportional to 407,180.49, 610,770.72 and 220,556.49 is: 330,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,180.49 : 610,770.72 = 220,556.49 : x
  2. Step 2: Convert to fraction form
    407,180.49/610,770.72 = 220,556.49/x
  3. Step 3: Cross multiply
    407,180.49x = 610,770.72 × 220,556.49
  4. Step 4: Simplify right side
    407,180.49x = 134,709,446,197.97
  5. Step 5: Solve for x
    x = 134,709,446,197.97/407,180.49
  6. Step 6: Final answer
    x = 330,834.73

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1.5x scale

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.