Home / 386,743.85-533,738.66-214,677.98

Finding the Fourth Proportional to 386,743.85, 533,738.66 and 214,677.98

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Solution

The fourth proportional to 386,743.85, 533,738.66 and 214,677.98 is: 296,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,743.85 : 533,738.66 = 214,677.98 : x
  2. Step 2: Convert to fraction form
    386,743.85/533,738.66 = 214,677.98/x
  3. Step 3: Cross multiply
    386,743.85x = 533,738.66 × 214,677.98
  4. Step 4: Simplify right side
    386,743.85x = 114,581,933,634.62
  5. Step 5: Solve for x
    x = 114,581,933,634.62/386,743.85
  6. Step 6: Final answer
    x = 296,273.45

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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.