Home / 229,918.20-344,888.10-72,151.80

Finding the Fourth Proportional to 229,918.20, 344,888.10 and 72,151.80

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Solution

The fourth proportional to 229,918.20, 344,888.10 and 72,151.80 is: 108,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,918.20 : 344,888.10 = 72,151.80 : x
  2. Step 2: Convert to fraction form
    229,918.20/344,888.10 = 72,151.80/x
  3. Step 3: Cross multiply
    229,918.20x = 344,888.10 × 72,151.80
  4. Step 4: Simplify right side
    229,918.20x = 24,884,297,213.58
  5. Step 5: Solve for x
    x = 24,884,297,213.58/229,918.20
  6. Step 6: Final answer
    x = 108,231.09

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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.