Home / 208,413.24-312,619.05-50,642.16

Finding the Fourth Proportional to 208,413.24, 312,619.05 and 50,642.16

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Solution

The fourth proportional to 208,413.24, 312,619.05 and 50,642.16 is: 75,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,413.24 : 312,619.05 = 50,642.16 : x
  2. Step 2: Convert to fraction form
    208,413.24/312,619.05 = 50,642.16/x
  3. Step 3: Cross multiply
    208,413.24x = 312,619.05 × 50,642.16
  4. Step 4: Simplify right side
    208,413.24x = 15,831,703,949.15
  5. Step 5: Solve for x
    x = 15,831,703,949.15/208,413.24
  6. Step 6: Final answer
    x = 75,963.04

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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.