Home / 269,968.70-405,001.65-112,213.10

Finding the Fourth Proportional to 269,968.70, 405,001.65 and 112,213.10

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Solution

The fourth proportional to 269,968.70, 405,001.65 and 112,213.10 is: 168,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,968.70 : 405,001.65 = 112,213.10 : x
  2. Step 2: Convert to fraction form
    269,968.70/405,001.65 = 112,213.10/x
  3. Step 3: Cross multiply
    269,968.70x = 405,001.65 × 112,213.10
  4. Step 4: Simplify right side
    269,968.70x = 45,446,490,651.62
  5. Step 5: Solve for x
    x = 45,446,490,651.62/269,968.70
  6. Step 6: Final answer
    x = 168,339.85

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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.