Home / 262,330.11-393,451.16-72,809.73

Finding the Fourth Proportional to 262,330.11, 393,451.16 and 72,809.73

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Solution

The fourth proportional to 262,330.11, 393,451.16 and 72,809.73 is: 109,202.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,330.11 : 393,451.16 = 72,809.73 : x
  2. Step 2: Convert to fraction form
    262,330.11/393,451.16 = 72,809.73/x
  3. Step 3: Cross multiply
    262,330.11x = 393,451.16 × 72,809.73
  4. Step 4: Simplify right side
    262,330.11x = 28,647,072,363.74
  5. Step 5: Solve for x
    x = 28,647,072,363.74/262,330.11
  6. Step 6: Final answer
    x = 109,202.38

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1.5x scale

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.