Home / 381,252.22-571,880.49-100,766.50

Finding the Fourth Proportional to 381,252.22, 571,880.49 and 100,766.50

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Solution

The fourth proportional to 381,252.22, 571,880.49 and 100,766.50 is: 151,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,252.22 : 571,880.49 = 100,766.50 : x
  2. Step 2: Convert to fraction form
    381,252.22/571,880.49 = 100,766.50/x
  3. Step 3: Cross multiply
    381,252.22x = 571,880.49 × 100,766.50
  4. Step 4: Simplify right side
    381,252.22x = 57,626,395,395.59
  5. Step 5: Solve for x
    x = 57,626,395,395.59/381,252.22
  6. Step 6: Final answer
    x = 151,150.32

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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.