Home / 439,151.37-658,218.65-201,996.33

Finding the Fourth Proportional to 439,151.37, 658,218.65 and 201,996.33

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Solution

The fourth proportional to 439,151.37, 658,218.65 and 201,996.33 is: 302,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,151.37 : 658,218.65 = 201,996.33 : x
  2. Step 2: Convert to fraction form
    439,151.37/658,218.65 = 201,996.33/x
  3. Step 3: Cross multiply
    439,151.37x = 658,218.65 × 201,996.33
  4. Step 4: Simplify right side
    439,151.37x = 132,957,750,627.57
  5. Step 5: Solve for x
    x = 132,957,750,627.57/439,151.37
  6. Step 6: Final answer
    x = 302,760.64

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1.5x scale

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.