Home / 351,504.22-485,073.41-190,355.58

Finding the Fourth Proportional to 351,504.22, 485,073.41 and 190,355.58

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Solution

The fourth proportional to 351,504.22, 485,073.41 and 190,355.58 is: 262,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,504.22 : 485,073.41 = 190,355.58 : x
  2. Step 2: Convert to fraction form
    351,504.22/485,073.41 = 190,355.58/x
  3. Step 3: Cross multiply
    351,504.22x = 485,073.41 × 190,355.58
  4. Step 4: Simplify right side
    351,504.22x = 92,336,429,351.35
  5. Step 5: Solve for x
    x = 92,336,429,351.35/351,504.22
  6. Step 6: Final answer
    x = 262,689.39

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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.