Home / 274,413.38-378,680.94-151,911.08

Finding the Fourth Proportional to 274,413.38, 378,680.94 and 151,911.08

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Solution

The fourth proportional to 274,413.38, 378,680.94 and 151,911.08 is: 209,632.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,413.38 : 378,680.94 = 151,911.08 : x
  2. Step 2: Convert to fraction form
    274,413.38/378,680.94 = 151,911.08/x
  3. Step 3: Cross multiply
    274,413.38x = 378,680.94 × 151,911.08
  4. Step 4: Simplify right side
    274,413.38x = 57,525,828,677.41
  5. Step 5: Solve for x
    x = 57,525,828,677.41/274,413.38
  6. Step 6: Final answer
    x = 209,632.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.