Home / 243,218.30-364,828.67-109,942.52

Finding the Fourth Proportional to 243,218.30, 364,828.67 and 109,942.52

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Solution

The fourth proportional to 243,218.30, 364,828.67 and 109,942.52 is: 164,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,218.30 : 364,828.67 = 109,942.52 : x
  2. Step 2: Convert to fraction form
    243,218.30/364,828.67 = 109,942.52/x
  3. Step 3: Cross multiply
    243,218.30x = 364,828.67 × 109,942.52
  4. Step 4: Simplify right side
    243,218.30x = 40,110,183,348.05
  5. Step 5: Solve for x
    x = 40,110,183,348.05/243,218.30
  6. Step 6: Final answer
    x = 164,914.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.