Home / 216,511.39-324,767.49-83,454.31

Finding the Fourth Proportional to 216,511.39, 324,767.49 and 83,454.31

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Solution

The fourth proportional to 216,511.39, 324,767.49 and 83,454.31 is: 125,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,511.39 : 324,767.49 = 83,454.31 : x
  2. Step 2: Convert to fraction form
    216,511.39/324,767.49 = 83,454.31/x
  3. Step 3: Cross multiply
    216,511.39x = 324,767.49 × 83,454.31
  4. Step 4: Simplify right side
    216,511.39x = 27,103,246,788.38
  5. Step 5: Solve for x
    x = 27,103,246,788.38/216,511.39
  6. Step 6: Final answer
    x = 125,181.62

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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.