Home / 270,128.33-405,208.35-101,650.09

Finding the Fourth Proportional to 270,128.33, 405,208.35 and 101,650.09

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Solution

The fourth proportional to 270,128.33, 405,208.35 and 101,650.09 is: 152,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,128.33 : 405,208.35 = 101,650.09 : x
  2. Step 2: Convert to fraction form
    270,128.33/405,208.35 = 101,650.09/x
  3. Step 3: Cross multiply
    270,128.33x = 405,208.35 × 101,650.09
  4. Step 4: Simplify right side
    270,128.33x = 41,189,464,707.11
  5. Step 5: Solve for x
    x = 41,189,464,707.11/270,128.33
  6. Step 6: Final answer
    x = 152,481.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.