Home / 454,027.89-681,041.84-214,085.96

Finding the Fourth Proportional to 454,027.89, 681,041.84 and 214,085.96

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Solution

The fourth proportional to 454,027.89, 681,041.84 and 214,085.96 is: 321,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,027.89 : 681,041.84 = 214,085.96 : x
  2. Step 2: Convert to fraction form
    454,027.89/681,041.84 = 214,085.96/x
  3. Step 3: Cross multiply
    454,027.89x = 681,041.84 × 214,085.96
  4. Step 4: Simplify right side
    454,027.89x = 145,801,491,640.93
  5. Step 5: Solve for x
    x = 145,801,491,640.93/454,027.89
  6. Step 6: Final answer
    x = 321,128.93

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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.