Home / 366,565.80-505,835.33-203,221.05

Finding the Fourth Proportional to 366,565.80, 505,835.33 and 203,221.05

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Solution

The fourth proportional to 366,565.80, 505,835.33 and 203,221.05 is: 280,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,565.80 : 505,835.33 = 203,221.05 : x
  2. Step 2: Convert to fraction form
    366,565.80/505,835.33 = 203,221.05/x
  3. Step 3: Cross multiply
    366,565.80x = 505,835.33 × 203,221.05
  4. Step 4: Simplify right side
    366,565.80x = 102,796,387,965.15
  5. Step 5: Solve for x
    x = 102,796,387,965.15/366,565.80
  6. Step 6: Final answer
    x = 280,430.93

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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.