Home / 351,869.82-485,581.22-190,724.72

Finding the Fourth Proportional to 351,869.82, 485,581.22 and 190,724.72

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Solution

The fourth proportional to 351,869.82, 485,581.22 and 190,724.72 is: 263,200.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,869.82 : 485,581.22 = 190,724.72 : x
  2. Step 2: Convert to fraction form
    351,869.82/485,581.22 = 190,724.72/x
  3. Step 3: Cross multiply
    351,869.82x = 485,581.22 × 190,724.72
  4. Step 4: Simplify right side
    351,869.82x = 92,612,342,221.76
  5. Step 5: Solve for x
    x = 92,612,342,221.76/351,869.82
  6. Step 6: Final answer
    x = 263,200.58

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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.