Home / 351,629.96-485,247.27-190,488.08

Finding the Fourth Proportional to 351,629.96, 485,247.27 and 190,488.08

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Solution

The fourth proportional to 351,629.96, 485,247.27 and 190,488.08 is: 262,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,629.96 : 485,247.27 = 190,488.08 : x
  2. Step 2: Convert to fraction form
    351,629.96/485,247.27 = 190,488.08/x
  3. Step 3: Cross multiply
    351,629.96x = 485,247.27 × 190,488.08
  4. Step 4: Simplify right side
    351,629.96x = 92,433,820,787.54
  5. Step 5: Solve for x
    x = 92,433,820,787.54/351,629.96
  6. Step 6: Final answer
    x = 262,872.43

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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.