Home / 330,244.69-455,877.18-222,960.04

Finding the Fourth Proportional to 330,244.69, 455,877.18 and 222,960.04

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Solution

The fourth proportional to 330,244.69, 455,877.18 and 222,960.04 is: 307,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,244.69 : 455,877.18 = 222,960.04 : x
  2. Step 2: Convert to fraction form
    330,244.69/455,877.18 = 222,960.04/x
  3. Step 3: Cross multiply
    330,244.69x = 455,877.18 × 222,960.04
  4. Step 4: Simplify right side
    330,244.69x = 101,642,394,287.89
  5. Step 5: Solve for x
    x = 101,642,394,287.89/330,244.69
  6. Step 6: Final answer
    x = 307,779.04

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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.