Home / 262,340.04-393,487.02-135,974.28

Finding the Fourth Proportional to 262,340.04, 393,487.02 and 135,974.28

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Solution

The fourth proportional to 262,340.04, 393,487.02 and 135,974.28 is: 203,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,340.04 : 393,487.02 = 135,974.28 : x
  2. Step 2: Convert to fraction form
    262,340.04/393,487.02 = 135,974.28/x
  3. Step 3: Cross multiply
    262,340.04x = 393,487.02 × 135,974.28
  4. Step 4: Simplify right side
    262,340.04x = 53,504,114,233.85
  5. Step 5: Solve for x
    x = 53,504,114,233.85/262,340.04
  6. Step 6: Final answer
    x = 203,949.48

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Double scale
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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.