Home / 406,360.85-609,581.37-140,086.31

Finding the Fourth Proportional to 406,360.85, 609,581.37 and 140,086.31

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Solution

The fourth proportional to 406,360.85, 609,581.37 and 140,086.31 is: 210,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,360.85 : 609,581.37 = 140,086.31 : x
  2. Step 2: Convert to fraction form
    406,360.85/609,581.37 = 140,086.31/x
  3. Step 3: Cross multiply
    406,360.85x = 609,581.37 × 140,086.31
  4. Step 4: Simplify right side
    406,360.85x = 85,394,004,768.04
  5. Step 5: Solve for x
    x = 85,394,004,768.04/406,360.85
  6. Step 6: Final answer
    x = 210,143.29

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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.