Home / 351,268.45-484,750.42-190,123.47

Finding the Fourth Proportional to 351,268.45, 484,750.42 and 190,123.47

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Solution

The fourth proportional to 351,268.45, 484,750.42 and 190,123.47 is: 262,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,268.45 : 484,750.42 = 190,123.47 : x
  2. Step 2: Convert to fraction form
    351,268.45/484,750.42 = 190,123.47/x
  3. Step 3: Cross multiply
    351,268.45x = 484,750.42 × 190,123.47
  4. Step 4: Simplify right side
    351,268.45x = 92,162,431,934.36
  5. Step 5: Solve for x
    x = 92,162,431,934.36/351,268.45
  6. Step 6: Final answer
    x = 262,370.37

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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.