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Finding the Fourth Proportional to 222,037.20, 333,139.41 and 133,352.52

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Solution

The fourth proportional to 222,037.20, 333,139.41 and 133,352.52 is: 200,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,037.20 : 333,139.41 = 133,352.52 : x
  2. Step 2: Convert to fraction form
    222,037.20/333,139.41 = 133,352.52/x
  3. Step 3: Cross multiply
    222,037.20x = 333,139.41 × 133,352.52
  4. Step 4: Simplify right side
    222,037.20x = 44,424,979,834.81
  5. Step 5: Solve for x
    x = 44,424,979,834.81/222,037.20
  6. Step 6: Final answer
    x = 200,079.00

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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.