Home / 331,622.10-457,698.20-195,648.21

Finding the Fourth Proportional to 331,622.10, 457,698.20 and 195,648.21

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Solution

The fourth proportional to 331,622.10, 457,698.20 and 195,648.21 is: 270,029.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,622.10 : 457,698.20 = 195,648.21 : x
  2. Step 2: Convert to fraction form
    331,622.10/457,698.20 = 195,648.21/x
  3. Step 3: Cross multiply
    331,622.10x = 457,698.20 × 195,648.21
  4. Step 4: Simplify right side
    331,622.10x = 89,547,832,571.98
  5. Step 5: Solve for x
    x = 89,547,832,571.98/331,622.10
  6. Step 6: Final answer
    x = 270,029.75

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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.