Home / 351,634.34-485,255.62-190,490.03

Finding the Fourth Proportional to 351,634.34, 485,255.62 and 190,490.03

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Solution

The fourth proportional to 351,634.34, 485,255.62 and 190,490.03 is: 262,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,634.34 : 485,255.62 = 190,490.03 : x
  2. Step 2: Convert to fraction form
    351,634.34/485,255.62 = 190,490.03/x
  3. Step 3: Cross multiply
    351,634.34x = 485,255.62 × 190,490.03
  4. Step 4: Simplify right side
    351,634.34x = 92,436,357,611.47
  5. Step 5: Solve for x
    x = 92,436,357,611.47/351,634.34
  6. Step 6: Final answer
    x = 262,876.37

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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.