Home / 240,208.43-360,356.52-80,269.21

Finding the Fourth Proportional to 240,208.43, 360,356.52 and 80,269.21

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Solution

The fourth proportional to 240,208.43, 360,356.52 and 80,269.21 is: 120,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,208.43 : 360,356.52 = 80,269.21 : x
  2. Step 2: Convert to fraction form
    240,208.43/360,356.52 = 80,269.21/x
  3. Step 3: Cross multiply
    240,208.43x = 360,356.52 × 80,269.21
  4. Step 4: Simplify right side
    240,208.43x = 28,925,531,376.97
  5. Step 5: Solve for x
    x = 28,925,531,376.97/240,208.43
  6. Step 6: Final answer
    x = 120,418.47

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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.