Home / 300,125.22-414,300.33-187,003.86

Finding the Fourth Proportional to 300,125.22, 414,300.33 and 187,003.86

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Solution

The fourth proportional to 300,125.22, 414,300.33 and 187,003.86 is: 258,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,125.22 : 414,300.33 = 187,003.86 : x
  2. Step 2: Convert to fraction form
    300,125.22/414,300.33 = 187,003.86/x
  3. Step 3: Cross multiply
    300,125.22x = 414,300.33 × 187,003.86
  4. Step 4: Simplify right side
    300,125.22x = 77,475,760,909.27
  5. Step 5: Solve for x
    x = 77,475,760,909.27/300,125.22
  6. Step 6: Final answer
    x = 258,144.79

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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.