Home / 645,287.68-967,928.24-165,513.44

Finding the Fourth Proportional to 645,287.68, 967,928.24 and 165,513.44

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Solution

The fourth proportional to 645,287.68, 967,928.24 and 165,513.44 is: 248,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,287.68 : 967,928.24 = 165,513.44 : x
  2. Step 2: Convert to fraction form
    645,287.68/967,928.24 = 165,513.44/x
  3. Step 3: Cross multiply
    645,287.68x = 967,928.24 × 165,513.44
  4. Step 4: Simplify right side
    645,287.68x = 160,205,132,675.55
  5. Step 5: Solve for x
    x = 160,205,132,675.55/645,287.68
  6. Step 6: Final answer
    x = 248,269.32

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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.