Home / 445,323.06-667,842.03-145,722.42

Finding the Fourth Proportional to 445,323.06, 667,842.03 and 145,722.42

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Solution

The fourth proportional to 445,323.06, 667,842.03 and 145,722.42 is: 218,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,323.06 : 667,842.03 = 145,722.42 : x
  2. Step 2: Convert to fraction form
    445,323.06/667,842.03 = 145,722.42/x
  3. Step 3: Cross multiply
    445,323.06x = 667,842.03 × 145,722.42
  4. Step 4: Simplify right side
    445,323.06x = 97,319,556,789.31
  5. Step 5: Solve for x
    x = 97,319,556,789.31/445,323.06
  6. Step 6: Final answer
    x = 218,536.98

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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.