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Finding the Fourth Proportional to 323,254.53, 446,062.68 and 187,245

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Solution

The fourth proportional to 323,254.53, 446,062.68 and 187,245 is: 258,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,254.53 : 446,062.68 = 187,245 : x
  2. Step 2: Convert to fraction form
    323,254.53/446,062.68 = 187,245/x
  3. Step 3: Cross multiply
    323,254.53x = 446,062.68 × 187,245
  4. Step 4: Simplify right side
    323,254.53x = 83,523,006,516.60
  5. Step 5: Solve for x
    x = 83,523,006,516.60/323,254.53
  6. Step 6: Final answer
    x = 258,381.55

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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.