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Finding the Fourth Proportional to 323,627.92, 446,621.66 and 180,388.99

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Solution

The fourth proportional to 323,627.92, 446,621.66 and 180,388.99 is: 248,945.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,627.92 : 446,621.66 = 180,388.99 : x
  2. Step 2: Convert to fraction form
    323,627.92/446,621.66 = 180,388.99/x
  3. Step 3: Cross multiply
    323,627.92x = 446,621.66 × 180,388.99
  4. Step 4: Simplify right side
    323,627.92x = 80,565,630,159.52
  5. Step 5: Solve for x
    x = 80,565,630,159.52/323,627.92
  6. Step 6: Final answer
    x = 248,945.24

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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.