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Finding the Fourth Proportional to 406,410.20, 609,960.90 and 182,115.80

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Solution

The fourth proportional to 406,410.20, 609,960.90 and 182,115.80 is: 273,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,410.20 : 609,960.90 = 182,115.80 : x
  2. Step 2: Convert to fraction form
    406,410.20/609,960.90 = 182,115.80/x
  3. Step 3: Cross multiply
    406,410.20x = 609,960.90 × 182,115.80
  4. Step 4: Simplify right side
    406,410.20x = 111,083,517,272.22
  5. Step 5: Solve for x
    x = 111,083,517,272.22/406,410.20
  6. Step 6: Final answer
    x = 273,328.57

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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.