Home / 405,016.20-606,941.10-180,192.60

Finding the Fourth Proportional to 405,016.20, 606,941.10 and 180,192.60

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Solution

The fourth proportional to 405,016.20, 606,941.10 and 180,192.60 is: 270,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,016.20 : 606,941.10 = 180,192.60 : x
  2. Step 2: Convert to fraction form
    405,016.20/606,941.10 = 180,192.60/x
  3. Step 3: Cross multiply
    405,016.20x = 606,941.10 × 180,192.60
  4. Step 4: Simplify right side
    405,016.20x = 109,366,294,855.86
  5. Step 5: Solve for x
    x = 109,366,294,855.86/405,016.20
  6. Step 6: Final answer
    x = 270,029.43

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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.