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Finding the Fourth Proportional to 323,064, 445,777.28 and 187,110.76

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Solution

The fourth proportional to 323,064, 445,777.28 and 187,110.76 is: 258,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,064 : 445,777.28 = 187,110.76 : x
  2. Step 2: Convert to fraction form
    323,064/445,777.28 = 187,110.76/x
  3. Step 3: Cross multiply
    323,064x = 445,777.28 × 187,110.76
  4. Step 4: Simplify right side
    323,064x = 83,409,725,651.53
  5. Step 5: Solve for x
    x = 83,409,725,651.53/323,064
  6. Step 6: Final answer
    x = 258,183.29

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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.