Home / 228,629.37-315,505.20-126,654.66

Finding the Fourth Proportional to 228,629.37, 315,505.20 and 126,654.66

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Solution

The fourth proportional to 228,629.37, 315,505.20 and 126,654.66 is: 174,781.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,629.37 : 315,505.20 = 126,654.66 : x
  2. Step 2: Convert to fraction form
    228,629.37/315,505.20 = 126,654.66/x
  3. Step 3: Cross multiply
    228,629.37x = 315,505.20 × 126,654.66
  4. Step 4: Simplify right side
    228,629.37x = 39,960,203,834.23
  5. Step 5: Solve for x
    x = 39,960,203,834.23/228,629.37
  6. Step 6: Final answer
    x = 174,781.59

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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.