Home / 228,208.29-314,921.42-126,231.21

Finding the Fourth Proportional to 228,208.29, 314,921.42 and 126,231.21

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Solution

The fourth proportional to 228,208.29, 314,921.42 and 126,231.21 is: 174,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,208.29 : 314,921.42 = 126,231.21 : x
  2. Step 2: Convert to fraction form
    228,208.29/314,921.42 = 126,231.21/x
  3. Step 3: Cross multiply
    228,208.29x = 314,921.42 × 126,231.21
  4. Step 4: Simplify right side
    228,208.29x = 39,752,911,743.73
  5. Step 5: Solve for x
    x = 39,752,911,743.73/228,208.29
  6. Step 6: Final answer
    x = 174,195.74

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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.