Home / 379,759.73-569,919.96-180,080.78

Finding the Fourth Proportional to 379,759.73, 569,919.96 and 180,080.78

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Solution

The fourth proportional to 379,759.73, 569,919.96 and 180,080.78 is: 270,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,759.73 : 569,919.96 = 180,080.78 : x
  2. Step 2: Convert to fraction form
    379,759.73/569,919.96 = 180,080.78/x
  3. Step 3: Cross multiply
    379,759.73x = 569,919.96 × 180,080.78
  4. Step 4: Simplify right side
    379,759.73x = 102,631,630,934.37
  5. Step 5: Solve for x
    x = 102,631,630,934.37/379,759.73
  6. Step 6: Final answer
    x = 270,254.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.