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Finding the Fourth Proportional to 366,535.80, 505,818.63 and 223,295.76

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Solution

The fourth proportional to 366,535.80, 505,818.63 and 223,295.76 is: 308,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,535.80 : 505,818.63 = 223,295.76 : x
  2. Step 2: Convert to fraction form
    366,535.80/505,818.63 = 223,295.76/x
  3. Step 3: Cross multiply
    366,535.80x = 505,818.63 × 223,295.76
  4. Step 4: Simplify right side
    366,535.80x = 112,947,155,408.01
  5. Step 5: Solve for x
    x = 112,947,155,408.01/366,535.80
  6. Step 6: Final answer
    x = 308,147.68

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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.