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Finding the Fourth Proportional to 207,662.04, 311,493.06 and 57,896.28

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Solution

The fourth proportional to 207,662.04, 311,493.06 and 57,896.28 is: 86,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,662.04 : 311,493.06 = 57,896.28 : x
  2. Step 2: Convert to fraction form
    207,662.04/311,493.06 = 57,896.28/x
  3. Step 3: Cross multiply
    207,662.04x = 311,493.06 × 57,896.28
  4. Step 4: Simplify right side
    207,662.04x = 18,034,289,419.82
  5. Step 5: Solve for x
    x = 18,034,289,419.82/207,662.04
  6. Step 6: Final answer
    x = 86,844.42

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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.