Home / 405,079.75-559,010.07-226,231.75

Finding the Fourth Proportional to 405,079.75, 559,010.07 and 226,231.75

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Solution

The fourth proportional to 405,079.75, 559,010.07 and 226,231.75 is: 312,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,079.75 : 559,010.07 = 226,231.75 : x
  2. Step 2: Convert to fraction form
    405,079.75/559,010.07 = 226,231.75/x
  3. Step 3: Cross multiply
    405,079.75x = 559,010.07 × 226,231.75
  4. Step 4: Simplify right side
    405,079.75x = 126,465,826,403.72
  5. Step 5: Solve for x
    x = 126,465,826,403.72/405,079.75
  6. Step 6: Final answer
    x = 312,199.82

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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.