Home / 286,735.48-395,651.55-164,208.80

Finding the Fourth Proportional to 286,735.48, 395,651.55 and 164,208.80

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Solution

The fourth proportional to 286,735.48, 395,651.55 and 164,208.80 is: 226,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,735.48 : 395,651.55 = 164,208.80 : x
  2. Step 2: Convert to fraction form
    286,735.48/395,651.55 = 164,208.80/x
  3. Step 3: Cross multiply
    286,735.48x = 395,651.55 × 164,208.80
  4. Step 4: Simplify right side
    286,735.48x = 64,969,467,848.55
  5. Step 5: Solve for x
    x = 64,969,467,848.55/286,735.48
  6. Step 6: Final answer
    x = 226,583.29

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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.