Home / 325,214.26-487,821.39-214,380.34

Finding the Fourth Proportional to 325,214.26, 487,821.39 and 214,380.34

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Solution

The fourth proportional to 325,214.26, 487,821.39 and 214,380.34 is: 321,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,214.26 : 487,821.39 = 214,380.34 : x
  2. Step 2: Convert to fraction form
    325,214.26/487,821.39 = 214,380.34/x
  3. Step 3: Cross multiply
    325,214.26x = 487,821.39 × 214,380.34
  4. Step 4: Simplify right side
    325,214.26x = 104,579,315,447.47
  5. Step 5: Solve for x
    x = 104,579,315,447.47/325,214.26
  6. Step 6: Final answer
    x = 321,570.51

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Similar ratio
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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.