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Finding the Fourth Proportional to 188,713.32, 283,072.41 and 55,563.32

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Solution

The fourth proportional to 188,713.32, 283,072.41 and 55,563.32 is: 83,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,713.32 : 283,072.41 = 55,563.32 : x
  2. Step 2: Convert to fraction form
    188,713.32/283,072.41 = 55,563.32/x
  3. Step 3: Cross multiply
    188,713.32x = 283,072.41 × 55,563.32
  4. Step 4: Simplify right side
    188,713.32x = 15,728,441,484.64
  5. Step 5: Solve for x
    x = 15,728,441,484.64/188,713.32
  6. Step 6: Final answer
    x = 83,345.69

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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.