Home / 227,190.60-313,339.32-218,005.20

Finding the Fourth Proportional to 227,190.60, 313,339.32 and 218,005.20

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Solution

The fourth proportional to 227,190.60, 313,339.32 and 218,005.20 is: 300,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,190.60 : 313,339.32 = 218,005.20 : x
  2. Step 2: Convert to fraction form
    227,190.60/313,339.32 = 218,005.20/x
  3. Step 3: Cross multiply
    227,190.60x = 313,339.32 × 218,005.20
  4. Step 4: Simplify right side
    227,190.60x = 68,309,601,124.46
  5. Step 5: Solve for x
    x = 68,309,601,124.46/227,190.60
  6. Step 6: Final answer
    x = 300,670.90

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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.