Home / 262,620.12-393,954.95-203,521.98

Finding the Fourth Proportional to 262,620.12, 393,954.95 and 203,521.98

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Solution

The fourth proportional to 262,620.12, 393,954.95 and 203,521.98 is: 305,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,620.12 : 393,954.95 = 203,521.98 : x
  2. Step 2: Convert to fraction form
    262,620.12/393,954.95 = 203,521.98/x
  3. Step 3: Cross multiply
    262,620.12x = 393,954.95 × 203,521.98
  4. Step 4: Simplify right side
    262,620.12x = 80,178,491,454.80
  5. Step 5: Solve for x
    x = 80,178,491,454.80/262,620.12
  6. Step 6: Final answer
    x = 305,302.17

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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.