Home / 227,039.52-312,987.24-158,845.20

Finding the Fourth Proportional to 227,039.52, 312,987.24 and 158,845.20

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Solution

The fourth proportional to 227,039.52, 312,987.24 and 158,845.20 is: 218,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,039.52 : 312,987.24 = 158,845.20 : x
  2. Step 2: Convert to fraction form
    227,039.52/312,987.24 = 158,845.20/x
  3. Step 3: Cross multiply
    227,039.52x = 312,987.24 × 158,845.20
  4. Step 4: Simplify right side
    227,039.52x = 49,716,520,735.25
  5. Step 5: Solve for x
    x = 49,716,520,735.25/227,039.52
  6. Step 6: Final answer
    x = 218,977.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.