Home / 298,132.48-447,387.30-270,109.06

Finding the Fourth Proportional to 298,132.48, 447,387.30 and 270,109.06

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Solution

The fourth proportional to 298,132.48, 447,387.30 and 270,109.06 is: 405,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,132.48 : 447,387.30 = 270,109.06 : x
  2. Step 2: Convert to fraction form
    298,132.48/447,387.30 = 270,109.06/x
  3. Step 3: Cross multiply
    298,132.48x = 447,387.30 × 270,109.06
  4. Step 4: Simplify right side
    298,132.48x = 120,843,363,058.94
  5. Step 5: Solve for x
    x = 120,843,363,058.94/298,132.48
  6. Step 6: Final answer
    x = 405,334.44

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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.