Home / 366,481.20-505,749.72-223,247.28

Finding the Fourth Proportional to 366,481.20, 505,749.72 and 223,247.28

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Solution

The fourth proportional to 366,481.20, 505,749.72 and 223,247.28 is: 308,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,481.20 : 505,749.72 = 223,247.28 : x
  2. Step 2: Convert to fraction form
    366,481.20/505,749.72 = 223,247.28/x
  3. Step 3: Cross multiply
    366,481.20x = 505,749.72 × 223,247.28
  4. Step 4: Simplify right side
    366,481.20x = 112,907,249,350.76
  5. Step 5: Solve for x
    x = 112,907,249,350.76/366,481.20
  6. Step 6: Final answer
    x = 308,084.70

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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.