Home / 303,849.40-419,322.54-190,734.52

Finding the Fourth Proportional to 303,849.40, 419,322.54 and 190,734.52

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Solution

The fourth proportional to 303,849.40, 419,322.54 and 190,734.52 is: 263,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,849.40 : 419,322.54 = 190,734.52 : x
  2. Step 2: Convert to fraction form
    303,849.40/419,322.54 = 190,734.52/x
  3. Step 3: Cross multiply
    303,849.40x = 419,322.54 × 190,734.52
  4. Step 4: Simplify right side
    303,849.40x = 79,979,283,392.08
  5. Step 5: Solve for x
    x = 79,979,283,392.08/303,849.40
  6. Step 6: Final answer
    x = 263,220.15

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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.