Home / 228,292.43-315,170.24-137,671.35

Finding the Fourth Proportional to 228,292.43, 315,170.24 and 137,671.35

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Solution

The fourth proportional to 228,292.43, 315,170.24 and 137,671.35 is: 190,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,292.43 : 315,170.24 = 137,671.35 : x
  2. Step 2: Convert to fraction form
    228,292.43/315,170.24 = 137,671.35/x
  3. Step 3: Cross multiply
    228,292.43x = 315,170.24 × 137,671.35
  4. Step 4: Simplify right side
    228,292.43x = 43,389,912,420.62
  5. Step 5: Solve for x
    x = 43,389,912,420.62/228,292.43
  6. Step 6: Final answer
    x = 190,062.86

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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.