Home / 330,245.19-455,877.87-222,960.54

Finding the Fourth Proportional to 330,245.19, 455,877.87 and 222,960.54

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Solution

The fourth proportional to 330,245.19, 455,877.87 and 222,960.54 is: 307,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,245.19 : 455,877.87 = 222,960.54 : x
  2. Step 2: Convert to fraction form
    330,245.19/455,877.87 = 222,960.54/x
  3. Step 3: Cross multiply
    330,245.19x = 455,877.87 × 222,960.54
  4. Step 4: Simplify right side
    330,245.19x = 101,642,776,069.25
  5. Step 5: Solve for x
    x = 101,642,776,069.25/330,245.19
  6. Step 6: Final answer
    x = 307,779.73

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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.