Home / 366,566.80-505,836.71-203,222.05

Finding the Fourth Proportional to 366,566.80, 505,836.71 and 203,222.05

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Solution

The fourth proportional to 366,566.80, 505,836.71 and 203,222.05 is: 280,432.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,566.80 : 505,836.71 = 203,222.05 : x
  2. Step 2: Convert to fraction form
    366,566.80/505,836.71 = 203,222.05/x
  3. Step 3: Cross multiply
    366,566.80x = 505,836.71 × 203,222.05
  4. Step 4: Simplify right side
    366,566.80x = 102,797,173,171.46
  5. Step 5: Solve for x
    x = 102,797,173,171.46/366,566.80
  6. Step 6: Final answer
    x = 280,432.31

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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.