Home / 351,420.78-484,958.46-190,275.33

Finding the Fourth Proportional to 351,420.78, 484,958.46 and 190,275.33

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Solution

The fourth proportional to 351,420.78, 484,958.46 and 190,275.33 is: 262,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,420.78 : 484,958.46 = 190,275.33 : x
  2. Step 2: Convert to fraction form
    351,420.78/484,958.46 = 190,275.33/x
  3. Step 3: Cross multiply
    351,420.78x = 484,958.46 × 190,275.33
  4. Step 4: Simplify right side
    351,420.78x = 92,275,631,012.79
  5. Step 5: Solve for x
    x = 92,275,631,012.79/351,420.78
  6. Step 6: Final answer
    x = 262,578.76

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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.