Home / 315,515.27-472,992.24-115,789.94

Finding the Fourth Proportional to 315,515.27, 472,992.24 and 115,789.94

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Solution

The fourth proportional to 315,515.27, 472,992.24 and 115,789.94 is: 173,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,515.27 : 472,992.24 = 115,789.94 : x
  2. Step 2: Convert to fraction form
    315,515.27/472,992.24 = 115,789.94/x
  3. Step 3: Cross multiply
    315,515.27x = 472,992.24 × 115,789.94
  4. Step 4: Simplify right side
    315,515.27x = 54,767,743,090.07
  5. Step 5: Solve for x
    x = 54,767,743,090.07/315,515.27
  6. Step 6: Final answer
    x = 173,581.91

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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.