Home / 315,150.23-472,729.45-104,788.16

Finding the Fourth Proportional to 315,150.23, 472,729.45 and 104,788.16

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Solution

The fourth proportional to 315,150.23, 472,729.45 and 104,788.16 is: 157,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,150.23 : 472,729.45 = 104,788.16 : x
  2. Step 2: Convert to fraction form
    315,150.23/472,729.45 = 104,788.16/x
  3. Step 3: Cross multiply
    315,150.23x = 472,729.45 × 104,788.16
  4. Step 4: Simplify right side
    315,150.23x = 49,536,449,243.31
  5. Step 5: Solve for x
    x = 49,536,449,243.31/315,150.23
  6. Step 6: Final answer
    x = 157,183.61

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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.