Home / 200,351.45-276,491.60-109,711.24

Finding the Fourth Proportional to 200,351.45, 276,491.60 and 109,711.24

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Solution

The fourth proportional to 200,351.45, 276,491.60 and 109,711.24 is: 151,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,351.45 : 276,491.60 = 109,711.24 : x
  2. Step 2: Convert to fraction form
    200,351.45/276,491.60 = 109,711.24/x
  3. Step 3: Cross multiply
    200,351.45x = 276,491.60 × 109,711.24
  4. Step 4: Simplify right side
    200,351.45x = 30,334,236,285.58
  5. Step 5: Solve for x
    x = 30,334,236,285.58/200,351.45
  6. Step 6: Final answer
    x = 151,405.12

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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.