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Finding the Fourth Proportional to 323,269.27, 485,014.67 and 123,646.74

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Solution

The fourth proportional to 323,269.27, 485,014.67 and 123,646.74 is: 185,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,269.27 : 485,014.67 = 123,646.74 : x
  2. Step 2: Convert to fraction form
    323,269.27/485,014.67 = 123,646.74/x
  3. Step 3: Cross multiply
    323,269.27x = 485,014.67 × 123,646.74
  4. Step 4: Simplify right side
    323,269.27x = 59,970,483,392.10
  5. Step 5: Solve for x
    x = 59,970,483,392.10/323,269.27
  6. Step 6: Final answer
    x = 185,512.48

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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.