Home / 373,879.18-515,933.75-204,080.50

Finding the Fourth Proportional to 373,879.18, 515,933.75 and 204,080.50

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Solution

The fourth proportional to 373,879.18, 515,933.75 and 204,080.50 is: 281,620.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,879.18 : 515,933.75 = 204,080.50 : x
  2. Step 2: Convert to fraction form
    373,879.18/515,933.75 = 204,080.50/x
  3. Step 3: Cross multiply
    373,879.18x = 515,933.75 × 204,080.50
  4. Step 4: Simplify right side
    373,879.18x = 105,292,017,666.88
  5. Step 5: Solve for x
    x = 105,292,017,666.88/373,879.18
  6. Step 6: Final answer
    x = 281,620.44

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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.