Home / 228,214.74-314,912.10-126,224

Finding the Fourth Proportional to 228,214.74, 314,912.10 and 126,224

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Solution

The fourth proportional to 228,214.74, 314,912.10 and 126,224 is: 174,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,214.74 : 314,912.10 = 126,224 : x
  2. Step 2: Convert to fraction form
    228,214.74/314,912.10 = 126,224/x
  3. Step 3: Cross multiply
    228,214.74x = 314,912.10 × 126,224
  4. Step 4: Simplify right side
    228,214.74x = 39,749,464,910.40
  5. Step 5: Solve for x
    x = 39,749,464,910.40/228,214.74
  6. Step 6: Final answer
    x = 174,175.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.