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Finding the Fourth Proportional to 202,651.86, 303,984 and 69,530.28

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Solution

The fourth proportional to 202,651.86, 303,984 and 69,530.28 is: 104,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,651.86 : 303,984 = 69,530.28 : x
  2. Step 2: Convert to fraction form
    202,651.86/303,984 = 69,530.28/x
  3. Step 3: Cross multiply
    202,651.86x = 303,984 × 69,530.28
  4. Step 4: Simplify right side
    202,651.86x = 21,136,092,635.52
  5. Step 5: Solve for x
    x = 21,136,092,635.52/202,651.86
  6. Step 6: Final answer
    x = 104,297.55

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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.