Home / 203,301.24-280,532.87-112,634.30

Finding the Fourth Proportional to 203,301.24, 280,532.87 and 112,634.30

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Solution

The fourth proportional to 203,301.24, 280,532.87 and 112,634.30 is: 155,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,301.24 : 280,532.87 = 112,634.30 : x
  2. Step 2: Convert to fraction form
    203,301.24/280,532.87 = 112,634.30/x
  3. Step 3: Cross multiply
    203,301.24x = 280,532.87 × 112,634.30
  4. Step 4: Simplify right side
    203,301.24x = 31,597,622,421.98
  5. Step 5: Solve for x
    x = 31,597,622,421.98/203,301.24
  6. Step 6: Final answer
    x = 155,422.67

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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.