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Finding the Fourth Proportional to 350,378.36, 483,522.10 and 189,233.44

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Solution

The fourth proportional to 350,378.36, 483,522.10 and 189,233.44 is: 261,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,378.36 : 483,522.10 = 189,233.44 : x
  2. Step 2: Convert to fraction form
    350,378.36/483,522.10 = 189,233.44/x
  3. Step 3: Cross multiply
    350,378.36x = 483,522.10 × 189,233.44
  4. Step 4: Simplify right side
    350,378.36x = 91,498,550,299.02
  5. Step 5: Solve for x
    x = 91,498,550,299.02/350,378.36
  6. Step 6: Final answer
    x = 261,142.13

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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.