Home / 375,945.93-518,757.39-214,811.42

Finding the Fourth Proportional to 375,945.93, 518,757.39 and 214,811.42

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Solution

The fourth proportional to 375,945.93, 518,757.39 and 214,811.42 is: 296,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,945.93 : 518,757.39 = 214,811.42 : x
  2. Step 2: Convert to fraction form
    375,945.93/518,757.39 = 214,811.42/x
  3. Step 3: Cross multiply
    375,945.93x = 518,757.39 × 214,811.42
  4. Step 4: Simplify right side
    375,945.93x = 111,435,008,987.61
  5. Step 5: Solve for x
    x = 111,435,008,987.61/375,945.93
  6. Step 6: Final answer
    x = 296,412.33

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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.