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Finding the Fourth Proportional to 190,950, 286,425 and 59,622

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Solution

The fourth proportional to 190,950, 286,425 and 59,622 is: 89,433

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,950 : 286,425 = 59,622 : x
  2. Step 2: Convert to fraction form
    190,950/286,425 = 59,622/x
  3. Step 3: Cross multiply
    190,950x = 286,425 × 59,622
  4. Step 4: Simplify right side
    190,950x = 17,077,231,350
  5. Step 5: Solve for x
    x = 17,077,231,350/190,950
  6. Step 6: Final answer
    x = 89,433

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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.