Home / 262,996.20-393,974.64-173,980.44

Finding the Fourth Proportional to 262,996.20, 393,974.64 and 173,980.44

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Solution

The fourth proportional to 262,996.20, 393,974.64 and 173,980.44 is: 260,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,996.20 : 393,974.64 = 173,980.44 : x
  2. Step 2: Convert to fraction form
    262,996.20/393,974.64 = 173,980.44/x
  3. Step 3: Cross multiply
    262,996.20x = 393,974.64 × 173,980.44
  4. Step 4: Simplify right side
    262,996.20x = 68,543,881,216.04
  5. Step 5: Solve for x
    x = 68,543,881,216.04/262,996.20
  6. Step 6: Final answer
    x = 260,626.89

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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.