Home / 228,811.50-315,572.58-161,052.75

Finding the Fourth Proportional to 228,811.50, 315,572.58 and 161,052.75

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Solution

The fourth proportional to 228,811.50, 315,572.58 and 161,052.75 is: 222,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,811.50 : 315,572.58 = 161,052.75 : x
  2. Step 2: Convert to fraction form
    228,811.50/315,572.58 = 161,052.75/x
  3. Step 3: Cross multiply
    228,811.50x = 315,572.58 × 161,052.75
  4. Step 4: Simplify right side
    228,811.50x = 50,823,831,833.60
  5. Step 5: Solve for x
    x = 50,823,831,833.60/228,811.50
  6. Step 6: Final answer
    x = 222,120.97

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1.5x scale

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.