Home / 353,934.26-488,396.85-210,729.14

Finding the Fourth Proportional to 353,934.26, 488,396.85 and 210,729.14

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Solution

The fourth proportional to 353,934.26, 488,396.85 and 210,729.14 is: 290,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,934.26 : 488,396.85 = 210,729.14 : x
  2. Step 2: Convert to fraction form
    353,934.26/488,396.85 = 210,729.14/x
  3. Step 3: Cross multiply
    353,934.26x = 488,396.85 × 210,729.14
  4. Step 4: Simplify right side
    353,934.26x = 102,919,448,179.21
  5. Step 5: Solve for x
    x = 102,919,448,179.21/353,934.26
  6. Step 6: Final answer
    x = 290,786.91

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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.