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Finding the Fourth Proportional to 322,374.24, 483,435 and 189,288

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Solution

The fourth proportional to 322,374.24, 483,435 and 189,288 is: 283,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,374.24 : 483,435 = 189,288 : x
  2. Step 2: Convert to fraction form
    322,374.24/483,435 = 189,288/x
  3. Step 3: Cross multiply
    322,374.24x = 483,435 × 189,288
  4. Step 4: Simplify right side
    322,374.24x = 91,508,444,280
  5. Step 5: Solve for x
    x = 91,508,444,280/322,374.24
  6. Step 6: Final answer
    x = 283,857.81

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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.