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Finding the Fourth Proportional to 202,445.19, 303,636.66 and 67,511.62

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Solution

The fourth proportional to 202,445.19, 303,636.66 and 67,511.62 is: 101,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,445.19 : 303,636.66 = 67,511.62 : x
  2. Step 2: Convert to fraction form
    202,445.19/303,636.66 = 67,511.62/x
  3. Step 3: Cross multiply
    202,445.19x = 303,636.66 × 67,511.62
  4. Step 4: Simplify right side
    202,445.19x = 20,499,002,934.37
  5. Step 5: Solve for x
    x = 20,499,002,934.37/202,445.19
  6. Step 6: Final answer
    x = 101,257.05

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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.