Home / 386,934.05-533,961.48-214,843.07

Finding the Fourth Proportional to 386,934.05, 533,961.48 and 214,843.07

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Solution

The fourth proportional to 386,934.05, 533,961.48 and 214,843.07 is: 296,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,934.05 : 533,961.48 = 214,843.07 : x
  2. Step 2: Convert to fraction form
    386,934.05/533,961.48 = 214,843.07/x
  3. Step 3: Cross multiply
    386,934.05x = 533,961.48 × 214,843.07
  4. Step 4: Simplify right side
    386,934.05x = 114,717,923,624.94
  5. Step 5: Solve for x
    x = 114,717,923,624.94/386,934.05
  6. Step 6: Final answer
    x = 296,479.27

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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.