Home / 315,633.24-473,629.32-115,927.92

Finding the Fourth Proportional to 315,633.24, 473,629.32 and 115,927.92

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Solution

The fourth proportional to 315,633.24, 473,629.32 and 115,927.92 is: 173,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,633.24 : 473,629.32 = 115,927.92 : x
  2. Step 2: Convert to fraction form
    315,633.24/473,629.32 = 115,927.92/x
  3. Step 3: Cross multiply
    315,633.24x = 473,629.32 × 115,927.92
  4. Step 4: Simplify right side
    315,633.24x = 54,906,861,918.61
  5. Step 5: Solve for x
    x = 54,906,861,918.61/315,633.24
  6. Step 6: Final answer
    x = 173,957.79

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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.