Home / 315,327.23-472,709.52-115,600.97

Finding the Fourth Proportional to 315,327.23, 472,709.52 and 115,600.97

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Solution

The fourth proportional to 315,327.23, 472,709.52 and 115,600.97 is: 173,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,327.23 : 472,709.52 = 115,600.97 : x
  2. Step 2: Convert to fraction form
    315,327.23/472,709.52 = 115,600.97/x
  3. Step 3: Cross multiply
    315,327.23x = 472,709.52 × 115,600.97
  4. Step 4: Simplify right side
    315,327.23x = 54,645,680,222.01
  5. Step 5: Solve for x
    x = 54,645,680,222.01/315,327.23
  6. Step 6: Final answer
    x = 173,298.32

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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.