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Finding the Fourth Proportional to 366,484.20, 505,753.86 and 223,250.28

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Solution

The fourth proportional to 366,484.20, 505,753.86 and 223,250.28 is: 308,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,484.20 : 505,753.86 = 223,250.28 : x
  2. Step 2: Convert to fraction form
    366,484.20/505,753.86 = 223,250.28/x
  3. Step 3: Cross multiply
    366,484.20x = 505,753.86 × 223,250.28
  4. Step 4: Simplify right side
    366,484.20x = 112,909,690,856.08
  5. Step 5: Solve for x
    x = 112,909,690,856.08/366,484.20
  6. Step 6: Final answer
    x = 308,088.84

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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.