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Finding the Fourth Proportional to 350,342.52, 483,472.63 and 189,197.54

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Solution

The fourth proportional to 350,342.52, 483,472.63 and 189,197.54 is: 261,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,342.52 : 483,472.63 = 189,197.54 : x
  2. Step 2: Convert to fraction form
    350,342.52/483,472.63 = 189,197.54/x
  3. Step 3: Cross multiply
    350,342.52x = 483,472.63 × 189,197.54
  4. Step 4: Simplify right side
    350,342.52x = 91,471,831,885.49
  5. Step 5: Solve for x
    x = 91,471,831,885.49/350,342.52
  6. Step 6: Final answer
    x = 261,092.58

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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.