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Finding the Fourth Proportional to 471,366.22, 650,499.05 and 256,520.14

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Solution

The fourth proportional to 471,366.22, 650,499.05 and 256,520.14 is: 354,005.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,366.22 : 650,499.05 = 256,520.14 : x
  2. Step 2: Convert to fraction form
    471,366.22/650,499.05 = 256,520.14/x
  3. Step 3: Cross multiply
    471,366.22x = 650,499.05 × 256,520.14
  4. Step 4: Simplify right side
    471,366.22x = 166,866,107,375.87
  5. Step 5: Solve for x
    x = 166,866,107,375.87/471,366.22
  6. Step 6: Final answer
    x = 354,005.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.