Home / 214,419.59-321,223.42-143,127.27

Finding the Fourth Proportional to 214,419.59, 321,223.42 and 143,127.27

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Solution

The fourth proportional to 214,419.59, 321,223.42 and 143,127.27 is: 214,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,419.59 : 321,223.42 = 143,127.27 : x
  2. Step 2: Convert to fraction form
    214,419.59/321,223.42 = 143,127.27/x
  3. Step 3: Cross multiply
    214,419.59x = 321,223.42 × 143,127.27
  4. Step 4: Simplify right side
    214,419.59x = 45,975,831,164.66
  5. Step 5: Solve for x
    x = 45,975,831,164.66/214,419.59
  6. Step 6: Final answer
    x = 214,419.92

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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.