Home / 330,241.69-455,873.04-222,957.04

Finding the Fourth Proportional to 330,241.69, 455,873.04 and 222,957.04

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Solution

The fourth proportional to 330,241.69, 455,873.04 and 222,957.04 is: 307,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,241.69 : 455,873.04 = 222,957.04 : x
  2. Step 2: Convert to fraction form
    330,241.69/455,873.04 = 222,957.04/x
  3. Step 3: Cross multiply
    330,241.69x = 455,873.04 × 222,957.04
  4. Step 4: Simplify right side
    330,241.69x = 101,640,103,614.20
  5. Step 5: Solve for x
    x = 101,640,103,614.20/330,241.69
  6. Step 6: Final answer
    x = 307,774.90

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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.