Home / 286,278.42-395,062.20-158,954.52

Finding the Fourth Proportional to 286,278.42, 395,062.20 and 158,954.52

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Solution

The fourth proportional to 286,278.42, 395,062.20 and 158,954.52 is: 219,356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,278.42 : 395,062.20 = 158,954.52 : x
  2. Step 2: Convert to fraction form
    286,278.42/395,062.20 = 158,954.52/x
  3. Step 3: Cross multiply
    286,278.42x = 395,062.20 × 158,954.52
  4. Step 4: Simplify right side
    286,278.42x = 62,796,922,371.14
  5. Step 5: Solve for x
    x = 62,796,922,371.14/286,278.42
  6. Step 6: Final answer
    x = 219,356.12

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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.