Home / 382,137.45-573,260.85-115,918.80

Finding the Fourth Proportional to 382,137.45, 573,260.85 and 115,918.80

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Solution

The fourth proportional to 382,137.45, 573,260.85 and 115,918.80 is: 173,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,137.45 : 573,260.85 = 115,918.80 : x
  2. Step 2: Convert to fraction form
    382,137.45/573,260.85 = 115,918.80/x
  3. Step 3: Cross multiply
    382,137.45x = 573,260.85 × 115,918.80
  4. Step 4: Simplify right side
    382,137.45x = 66,451,709,818.98
  5. Step 5: Solve for x
    x = 66,451,709,818.98/382,137.45
  6. Step 6: Final answer
    x = 173,894.79

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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.