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Finding the Fourth Proportional to 354,954.56, 489,996.96 and 234,167.36

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Solution

The fourth proportional to 354,954.56, 489,996.96 and 234,167.36 is: 323,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,954.56 : 489,996.96 = 234,167.36 : x
  2. Step 2: Convert to fraction form
    354,954.56/489,996.96 = 234,167.36/x
  3. Step 3: Cross multiply
    354,954.56x = 489,996.96 × 234,167.36
  4. Step 4: Simplify right side
    354,954.56x = 114,741,294,531.23
  5. Step 5: Solve for x
    x = 114,741,294,531.23/354,954.56
  6. Step 6: Final answer
    x = 323,256.29

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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.