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Finding the Fourth Proportional to 202,451.58, 303,646.20 and 67,518

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Solution

The fourth proportional to 202,451.58, 303,646.20 and 67,518 is: 101,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,451.58 : 303,646.20 = 67,518 : x
  2. Step 2: Convert to fraction form
    202,451.58/303,646.20 = 67,518/x
  3. Step 3: Cross multiply
    202,451.58x = 303,646.20 × 67,518
  4. Step 4: Simplify right side
    202,451.58x = 20,501,584,131.60
  5. Step 5: Solve for x
    x = 20,501,584,131.60/202,451.58
  6. Step 6: Final answer
    x = 101,266.60

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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.