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Finding the Fourth Proportional to 202,863.46, 304,322.87 and 84,507.12

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Solution

The fourth proportional to 202,863.46, 304,322.87 and 84,507.12 is: 126,772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,863.46 : 304,322.87 = 84,507.12 : x
  2. Step 2: Convert to fraction form
    202,863.46/304,322.87 = 84,507.12/x
  3. Step 3: Cross multiply
    202,863.46x = 304,322.87 × 84,507.12
  4. Step 4: Simplify right side
    202,863.46x = 25,717,449,293.83
  5. Step 5: Solve for x
    x = 25,717,449,293.83/202,863.46
  6. Step 6: Final answer
    x = 126,772.21

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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.