Home / 234,030.80-351,243.12-219,268.55

Finding the Fourth Proportional to 234,030.80, 351,243.12 and 219,268.55

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Solution

The fourth proportional to 234,030.80, 351,243.12 and 219,268.55 is: 329,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,030.80 : 351,243.12 = 219,268.55 : x
  2. Step 2: Convert to fraction form
    234,030.80/351,243.12 = 219,268.55/x
  3. Step 3: Cross multiply
    234,030.80x = 351,243.12 × 219,268.55
  4. Step 4: Simplify right side
    234,030.80x = 77,016,567,863.66
  5. Step 5: Solve for x
    x = 77,016,567,863.66/234,030.80
  6. Step 6: Final answer
    x = 329,087.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.