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Finding the Fourth Proportional to 379,759.98, 569,920.33 and 180,081.04

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Solution

The fourth proportional to 379,759.98, 569,920.33 and 180,081.04 is: 270,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,759.98 : 569,920.33 = 180,081.04 : x
  2. Step 2: Convert to fraction form
    379,759.98/569,920.33 = 180,081.04/x
  3. Step 3: Cross multiply
    379,759.98x = 569,920.33 × 180,081.04
  4. Step 4: Simplify right side
    379,759.98x = 102,631,842,893.94
  5. Step 5: Solve for x
    x = 102,631,842,893.94/379,759.98
  6. Step 6: Final answer
    x = 270,254.50

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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.