Home / 286,902.05-395,923.77-159,577.64

Finding the Fourth Proportional to 286,902.05, 395,923.77 and 159,577.64

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Solution

The fourth proportional to 286,902.05, 395,923.77 and 159,577.64 is: 220,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,902.05 : 395,923.77 = 159,577.64 : x
  2. Step 2: Convert to fraction form
    286,902.05/395,923.77 = 159,577.64/x
  3. Step 3: Cross multiply
    286,902.05x = 395,923.77 × 159,577.64
  4. Step 4: Simplify right side
    286,902.05x = 63,180,583,017.48
  5. Step 5: Solve for x
    x = 63,180,583,017.48/286,902.05
  6. Step 6: Final answer
    x = 220,216.56

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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.