Home / 454,024.89-681,037.34-214,082.96

Finding the Fourth Proportional to 454,024.89, 681,037.34 and 214,082.96

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Solution

The fourth proportional to 454,024.89, 681,037.34 and 214,082.96 is: 321,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,024.89 : 681,037.34 = 214,082.96 : x
  2. Step 2: Convert to fraction form
    454,024.89/681,037.34 = 214,082.96/x
  3. Step 3: Cross multiply
    454,024.89x = 681,037.34 × 214,082.96
  4. Step 4: Simplify right side
    454,024.89x = 145,798,485,142.13
  5. Step 5: Solve for x
    x = 145,798,485,142.13/454,024.89
  6. Step 6: Final answer
    x = 321,124.43

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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.