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Finding the Fourth Proportional to 223,047.82, 307,731.03 and 142,522.48

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Solution

The fourth proportional to 223,047.82, 307,731.03 and 142,522.48 is: 196,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,047.82 : 307,731.03 = 142,522.48 : x
  2. Step 2: Convert to fraction form
    223,047.82/307,731.03 = 142,522.48/x
  3. Step 3: Cross multiply
    223,047.82x = 307,731.03 × 142,522.48
  4. Step 4: Simplify right side
    223,047.82x = 43,858,589,568.55
  5. Step 5: Solve for x
    x = 43,858,589,568.55/223,047.82
  6. Step 6: Final answer
    x = 196,633.12

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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.