Home / 377,790.42-521,233.66-214,420.26

Finding the Fourth Proportional to 377,790.42, 521,233.66 and 214,420.26

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Solution

The fourth proportional to 377,790.42, 521,233.66 and 214,420.26 is: 295,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,790.42 : 521,233.66 = 214,420.26 : x
  2. Step 2: Convert to fraction form
    377,790.42/521,233.66 = 214,420.26/x
  3. Step 3: Cross multiply
    377,790.42x = 521,233.66 × 214,420.26
  4. Step 4: Simplify right side
    377,790.42x = 111,763,056,897.95
  5. Step 5: Solve for x
    x = 111,763,056,897.95/377,790.42
  6. Step 6: Final answer
    x = 295,833.49

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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.