Home / 442,849.20-664,273.80-110,425.20

Finding the Fourth Proportional to 442,849.20, 664,273.80 and 110,425.20

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Solution

The fourth proportional to 442,849.20, 664,273.80 and 110,425.20 is: 165,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,849.20 : 664,273.80 = 110,425.20 : x
  2. Step 2: Convert to fraction form
    442,849.20/664,273.80 = 110,425.20/x
  3. Step 3: Cross multiply
    442,849.20x = 664,273.80 × 110,425.20
  4. Step 4: Simplify right side
    442,849.20x = 73,352,567,219.76
  5. Step 5: Solve for x
    x = 73,352,567,219.76/442,849.20
  6. Step 6: Final answer
    x = 165,637.80

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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.