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Finding the Fourth Proportional to 450,528.52, 675,815.24 and 134,955.36

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Solution

The fourth proportional to 450,528.52, 675,815.24 and 134,955.36 is: 202,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,528.52 : 675,815.24 = 134,955.36 : x
  2. Step 2: Convert to fraction form
    450,528.52/675,815.24 = 134,955.36/x
  3. Step 3: Cross multiply
    450,528.52x = 675,815.24 × 134,955.36
  4. Step 4: Simplify right side
    450,528.52x = 91,204,889,007.69
  5. Step 5: Solve for x
    x = 91,204,889,007.69/450,528.52
  6. Step 6: Final answer
    x = 202,439.77

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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.