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Finding the Fourth Proportional to 201,040.30, 301,451.10 and 82,723.60

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Solution

The fourth proportional to 201,040.30, 301,451.10 and 82,723.60 is: 124,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,040.30 : 301,451.10 = 82,723.60 : x
  2. Step 2: Convert to fraction form
    201,040.30/301,451.10 = 82,723.60/x
  3. Step 3: Cross multiply
    201,040.30x = 301,451.10 × 82,723.60
  4. Step 4: Simplify right side
    201,040.30x = 24,937,120,215.96
  5. Step 5: Solve for x
    x = 24,937,120,215.96/201,040.30
  6. Step 6: Final answer
    x = 124,040.40

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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.