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Finding the Fourth Proportional to 323,735.30, 485,647.26 and 110,445.95

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Solution

The fourth proportional to 323,735.30, 485,647.26 and 110,445.95 is: 165,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,735.30 : 485,647.26 = 110,445.95 : x
  2. Step 2: Convert to fraction form
    323,735.30/485,647.26 = 110,445.95/x
  3. Step 3: Cross multiply
    323,735.30x = 485,647.26 × 110,445.95
  4. Step 4: Simplify right side
    323,735.30x = 53,637,772,995.60
  5. Step 5: Solve for x
    x = 53,637,772,995.60/323,735.30
  6. Step 6: Final answer
    x = 165,684.04

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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.