Home / 315,016.29-472,334.39-125,505.86

Finding the Fourth Proportional to 315,016.29, 472,334.39 and 125,505.86

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Solution

The fourth proportional to 315,016.29, 472,334.39 and 125,505.86 is: 188,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,016.29 : 472,334.39 = 125,505.86 : x
  2. Step 2: Convert to fraction form
    315,016.29/472,334.39 = 125,505.86/x
  3. Step 3: Cross multiply
    315,016.29x = 472,334.39 × 125,505.86
  4. Step 4: Simplify right side
    315,016.29x = 59,280,731,305.97
  5. Step 5: Solve for x
    x = 59,280,731,305.97/315,016.29
  6. Step 6: Final answer
    x = 188,183.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.