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Finding the Fourth Proportional to 356,954.01, 492,591.95 and 203,990.46

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Solution

The fourth proportional to 356,954.01, 492,591.95 and 203,990.46 is: 281,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,954.01 : 492,591.95 = 203,990.46 : x
  2. Step 2: Convert to fraction form
    356,954.01/492,591.95 = 203,990.46/x
  3. Step 3: Cross multiply
    356,954.01x = 492,591.95 × 203,990.46
  4. Step 4: Simplify right side
    356,954.01x = 100,484,057,452.85
  5. Step 5: Solve for x
    x = 100,484,057,452.85/356,954.01
  6. Step 6: Final answer
    x = 281,504.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.