Home / 330,246.93-455,880.30-222,962.29

Finding the Fourth Proportional to 330,246.93, 455,880.30 and 222,962.29

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Solution

The fourth proportional to 330,246.93, 455,880.30 and 222,962.29 is: 307,782.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,246.93 : 455,880.30 = 222,962.29 : x
  2. Step 2: Convert to fraction form
    330,246.93/455,880.30 = 222,962.29/x
  3. Step 3: Cross multiply
    330,246.93x = 455,880.30 × 222,962.29
  4. Step 4: Simplify right side
    330,246.93x = 101,644,115,653.89
  5. Step 5: Solve for x
    x = 101,644,115,653.89/330,246.93
  6. Step 6: Final answer
    x = 307,782.17

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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.