Home / 379,769.22-523,605.18-243,562.86

Finding the Fourth Proportional to 379,769.22, 523,605.18 and 243,562.86

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Solution

The fourth proportional to 379,769.22, 523,605.18 and 243,562.86 is: 335,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,769.22 : 523,605.18 = 243,562.86 : x
  2. Step 2: Convert to fraction form
    379,769.22/523,605.18 = 243,562.86/x
  3. Step 3: Cross multiply
    379,769.22x = 523,605.18 × 243,562.86
  4. Step 4: Simplify right side
    379,769.22x = 127,530,775,151.62
  5. Step 5: Solve for x
    x = 127,530,775,151.62/379,769.22
  6. Step 6: Final answer
    x = 335,811.25

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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.