Home / 279,426.00-384,873.32-214,771.60

Finding the Fourth Proportional to 279,426.00, 384,873.32 and 214,771.60

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Solution

The fourth proportional to 279,426.00, 384,873.32 and 214,771.60 is: 295,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,426.00 : 384,873.32 = 214,771.60 : x
  2. Step 2: Convert to fraction form
    279,426.00/384,873.32 = 214,771.60/x
  3. Step 3: Cross multiply
    279,426.00x = 384,873.32 × 214,771.60
  4. Step 4: Simplify right side
    279,426.00x = 82,659,859,751.73
  5. Step 5: Solve for x
    x = 82,659,859,751.73/279,426.00
  6. Step 6: Final answer
    x = 295,820.21

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1.5x scale

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.