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Finding the Fourth Proportional to 203,613.93, 280,980.32 and 123,027.21

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Solution

The fourth proportional to 203,613.93, 280,980.32 and 123,027.21 is: 169,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,613.93 : 280,980.32 = 123,027.21 : x
  2. Step 2: Convert to fraction form
    203,613.93/280,980.32 = 123,027.21/x
  3. Step 3: Cross multiply
    203,613.93x = 280,980.32 × 123,027.21
  4. Step 4: Simplify right side
    203,613.93x = 34,568,224,219.37
  5. Step 5: Solve for x
    x = 34,568,224,219.37/203,613.93
  6. Step 6: Final answer
    x = 169,773.38

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1.5x scale

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.