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Finding the Fourth Proportional to 322,513.89, 483,583.87 and 109,210.60

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Solution

The fourth proportional to 322,513.89, 483,583.87 and 109,210.60 is: 163,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,513.89 : 483,583.87 = 109,210.60 : x
  2. Step 2: Convert to fraction form
    322,513.89/483,583.87 = 109,210.60/x
  3. Step 3: Cross multiply
    322,513.89x = 483,583.87 × 109,210.60
  4. Step 4: Simplify right side
    322,513.89x = 52,812,484,593.02
  5. Step 5: Solve for x
    x = 52,812,484,593.02/322,513.89
  6. Step 6: Final answer
    x = 163,752.59

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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.