Home / 339,629.80-509,413.47-114,964.56

Finding the Fourth Proportional to 339,629.80, 509,413.47 and 114,964.56

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Solution

The fourth proportional to 339,629.80, 509,413.47 and 114,964.56 is: 172,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,629.80 : 509,413.47 = 114,964.56 : x
  2. Step 2: Convert to fraction form
    339,629.80/509,413.47 = 114,964.56/x
  3. Step 3: Cross multiply
    339,629.80x = 509,413.47 × 114,964.56
  4. Step 4: Simplify right side
    339,629.80x = 58,564,492,314.73
  5. Step 5: Solve for x
    x = 58,564,492,314.73/339,629.80
  6. Step 6: Final answer
    x = 172,436.26

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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.