Home / 380,835.06-571,394.75-203,243.37

Finding the Fourth Proportional to 380,835.06, 571,394.75 and 203,243.37

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Solution

The fourth proportional to 380,835.06, 571,394.75 and 203,243.37 is: 304,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,835.06 : 571,394.75 = 203,243.37 : x
  2. Step 2: Convert to fraction form
    380,835.06/571,394.75 = 203,243.37/x
  3. Step 3: Cross multiply
    380,835.06x = 571,394.75 × 203,243.37
  4. Step 4: Simplify right side
    380,835.06x = 116,132,193,574.09
  5. Step 5: Solve for x
    x = 116,132,193,574.09/380,835.06
  6. Step 6: Final answer
    x = 304,940.92

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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.