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Finding the Fourth Proportional to 323,736.90, 485,745.45 and 173,802.30

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Solution

The fourth proportional to 323,736.90, 485,745.45 and 173,802.30 is: 260,778.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,736.90 : 485,745.45 = 173,802.30 : x
  2. Step 2: Convert to fraction form
    323,736.90/485,745.45 = 173,802.30/x
  3. Step 3: Cross multiply
    323,736.90x = 485,745.45 × 173,802.30
  4. Step 4: Simplify right side
    323,736.90x = 84,423,676,424.54
  5. Step 5: Solve for x
    x = 84,423,676,424.54/323,736.90
  6. Step 6: Final answer
    x = 260,778.66

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1.5x scale

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.