Home / 814,238.43-1,221,368.03-215,194.41

Finding the Fourth Proportional to 814,238.43, 1,221,368.03 and 215,194.41

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Solution

The fourth proportional to 814,238.43, 1,221,368.03 and 215,194.41 is: 322,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,238.43 : 1,221,368.03 = 215,194.41 : x
  2. Step 2: Convert to fraction form
    814,238.43/1,221,368.03 = 215,194.41/x
  3. Step 3: Cross multiply
    814,238.43x = 1,221,368.03 × 215,194.41
  4. Step 4: Simplify right side
    814,238.43x = 262,831,565,425.90
  5. Step 5: Solve for x
    x = 262,831,565,425.90/814,238.43
  6. Step 6: Final answer
    x = 322,794.35

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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.