Home / 226,827-313,021.44-131,338.80

Finding the Fourth Proportional to 226,827, 313,021.44 and 131,338.80

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Solution

The fourth proportional to 226,827, 313,021.44 and 131,338.80 is: 181,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,827 : 313,021.44 = 131,338.80 : x
  2. Step 2: Convert to fraction form
    226,827/313,021.44 = 131,338.80/x
  3. Step 3: Cross multiply
    226,827x = 313,021.44 × 131,338.80
  4. Step 4: Simplify right side
    226,827x = 41,111,860,303.87
  5. Step 5: Solve for x
    x = 41,111,860,303.87/226,827
  6. Step 6: Final answer
    x = 181,247.65

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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.