Home / 351,476.35-485,037.62-190,331.57

Finding the Fourth Proportional to 351,476.35, 485,037.62 and 190,331.57

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Solution

The fourth proportional to 351,476.35, 485,037.62 and 190,331.57 is: 262,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,476.35 : 485,037.62 = 190,331.57 : x
  2. Step 2: Convert to fraction form
    351,476.35/485,037.62 = 190,331.57/x
  3. Step 3: Cross multiply
    351,476.35x = 485,037.62 × 190,331.57
  4. Step 4: Simplify right side
    351,476.35x = 92,317,972,698.34
  5. Step 5: Solve for x
    x = 92,317,972,698.34/351,476.35
  6. Step 6: Final answer
    x = 262,657.71

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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.