Home / 217,558.86-300,250.23-126,944.02

Finding the Fourth Proportional to 217,558.86, 300,250.23 and 126,944.02

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Solution

The fourth proportional to 217,558.86, 300,250.23 and 126,944.02 is: 175,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,558.86 : 300,250.23 = 126,944.02 : x
  2. Step 2: Convert to fraction form
    217,558.86/300,250.23 = 126,944.02/x
  3. Step 3: Cross multiply
    217,558.86x = 300,250.23 × 126,944.02
  4. Step 4: Simplify right side
    217,558.86x = 38,114,970,451.50
  5. Step 5: Solve for x
    x = 38,114,970,451.50/217,558.86
  6. Step 6: Final answer
    x = 175,193.83

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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.