Home / 330,723.96-455,976.72-214,231.92

Finding the Fourth Proportional to 330,723.96, 455,976.72 and 214,231.92

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Solution

The fourth proportional to 330,723.96, 455,976.72 and 214,231.92 is: 295,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,723.96 : 455,976.72 = 214,231.92 : x
  2. Step 2: Convert to fraction form
    330,723.96/455,976.72 = 214,231.92/x
  3. Step 3: Cross multiply
    330,723.96x = 455,976.72 × 214,231.92
  4. Step 4: Simplify right side
    330,723.96x = 97,684,768,200.90
  5. Step 5: Solve for x
    x = 97,684,768,200.90/330,723.96
  6. Step 6: Final answer
    x = 295,366.47

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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.