Home / 394,918.66-592,014.55-214,740.85

Finding the Fourth Proportional to 394,918.66, 592,014.55 and 214,740.85

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Solution

The fourth proportional to 394,918.66, 592,014.55 and 214,740.85 is: 321,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,918.66 : 592,014.55 = 214,740.85 : x
  2. Step 2: Convert to fraction form
    394,918.66/592,014.55 = 214,740.85/x
  3. Step 3: Cross multiply
    394,918.66x = 592,014.55 × 214,740.85
  4. Step 4: Simplify right side
    394,918.66x = 127,129,705,256.15
  5. Step 5: Solve for x
    x = 127,129,705,256.15/394,918.66
  6. Step 6: Final answer
    x = 321,913.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.