Home / 445,829.70-668,744.55-268,245.30

Finding the Fourth Proportional to 445,829.70, 668,744.55 and 268,245.30

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Solution

The fourth proportional to 445,829.70, 668,744.55 and 268,245.30 is: 402,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,829.70 : 668,744.55 = 268,245.30 : x
  2. Step 2: Convert to fraction form
    445,829.70/668,744.55 = 268,245.30/x
  3. Step 3: Cross multiply
    445,829.70x = 668,744.55 × 268,245.30
  4. Step 4: Simplify right side
    445,829.70x = 179,387,582,438.12
  5. Step 5: Solve for x
    x = 179,387,582,438.12/445,829.70
  6. Step 6: Final answer
    x = 402,367.95

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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.