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Finding the Fourth Proportional to 450,568.46, 675,491.82 and 225,813.51

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Solution

The fourth proportional to 450,568.46, 675,491.82 and 225,813.51 is: 338,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,568.46 : 675,491.82 = 225,813.51 : x
  2. Step 2: Convert to fraction form
    450,568.46/675,491.82 = 225,813.51/x
  3. Step 3: Cross multiply
    450,568.46x = 675,491.82 × 225,813.51
  4. Step 4: Simplify right side
    450,568.46x = 152,535,178,850.49
  5. Step 5: Solve for x
    x = 152,535,178,850.49/450,568.46
  6. Step 6: Final answer
    x = 338,539.41

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1.5x scale

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.