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Finding the Fourth Proportional to 222,779.88, 307,452.50 and 127,284.53

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Solution

The fourth proportional to 222,779.88, 307,452.50 and 127,284.53 is: 175,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,779.88 : 307,452.50 = 127,284.53 : x
  2. Step 2: Convert to fraction form
    222,779.88/307,452.50 = 127,284.53/x
  3. Step 3: Cross multiply
    222,779.88x = 307,452.50 × 127,284.53
  4. Step 4: Simplify right side
    222,779.88x = 39,133,944,786.14
  5. Step 5: Solve for x
    x = 39,133,944,786.14/222,779.88
  6. Step 6: Final answer
    x = 175,661.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.