Home / 351,217.20-484,679.78-190,072.29

Finding the Fourth Proportional to 351,217.20, 484,679.78 and 190,072.29

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Solution

The fourth proportional to 351,217.20, 484,679.78 and 190,072.29 is: 262,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,217.20 : 484,679.78 = 190,072.29 : x
  2. Step 2: Convert to fraction form
    351,217.20/484,679.78 = 190,072.29/x
  3. Step 3: Cross multiply
    351,217.20x = 484,679.78 × 190,072.29
  4. Step 4: Simplify right side
    351,217.20x = 92,124,195,701.30
  5. Step 5: Solve for x
    x = 92,124,195,701.30/351,217.20
  6. Step 6: Final answer
    x = 262,299.78

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1.5x scale

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.