Home / 298,629.75-412,109.08-164,493.75

Finding the Fourth Proportional to 298,629.75, 412,109.08 and 164,493.75

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Solution

The fourth proportional to 298,629.75, 412,109.08 and 164,493.75 is: 227,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,629.75 : 412,109.08 = 164,493.75 : x
  2. Step 2: Convert to fraction form
    298,629.75/412,109.08 = 164,493.75/x
  3. Step 3: Cross multiply
    298,629.75x = 412,109.08 × 164,493.75
  4. Step 4: Simplify right side
    298,629.75x = 67,789,367,978.25
  5. Step 5: Solve for x
    x = 67,789,367,978.25/298,629.75
  6. Step 6: Final answer
    x = 227,001.39

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1.5x scale

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.