Home / 330,250.43-455,885.15-222,965.79

Finding the Fourth Proportional to 330,250.43, 455,885.15 and 222,965.79

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Solution

The fourth proportional to 330,250.43, 455,885.15 and 222,965.79 is: 307,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,250.43 : 455,885.15 = 222,965.79 : x
  2. Step 2: Convert to fraction form
    330,250.43/455,885.15 = 222,965.79/x
  3. Step 3: Cross multiply
    330,250.43x = 455,885.15 × 222,965.79
  4. Step 4: Simplify right side
    330,250.43x = 101,646,791,504.19
  5. Step 5: Solve for x
    x = 101,646,791,504.19/330,250.43
  6. Step 6: Final answer
    x = 307,787.01

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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.