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Finding the Fourth Proportional to 323,812.80, 446,862.12 and 178,615.34

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Solution

The fourth proportional to 323,812.80, 446,862.12 and 178,615.34 is: 246,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,812.80 : 446,862.12 = 178,615.34 : x
  2. Step 2: Convert to fraction form
    323,812.80/446,862.12 = 178,615.34/x
  3. Step 3: Cross multiply
    323,812.80x = 446,862.12 × 178,615.34
  4. Step 4: Simplify right side
    323,812.80x = 79,816,429,496.92
  5. Step 5: Solve for x
    x = 79,816,429,496.92/323,812.80
  6. Step 6: Final answer
    x = 246,489.42

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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.