Home / 208,239.73-312,359.60-50,468.18

Finding the Fourth Proportional to 208,239.73, 312,359.60 and 50,468.18

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Solution

The fourth proportional to 208,239.73, 312,359.60 and 50,468.18 is: 75,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,239.73 : 312,359.60 = 50,468.18 : x
  2. Step 2: Convert to fraction form
    208,239.73/312,359.60 = 50,468.18/x
  3. Step 3: Cross multiply
    208,239.73x = 312,359.60 × 50,468.18
  4. Step 4: Simplify right side
    208,239.73x = 15,764,221,726.39
  5. Step 5: Solve for x
    x = 15,764,221,726.39/208,239.73
  6. Step 6: Final answer
    x = 75,702.28

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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.