Home / 251,747.44-347,413.80-138,571

Finding the Fourth Proportional to 251,747.44, 347,413.80 and 138,571

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Solution

The fourth proportional to 251,747.44, 347,413.80 and 138,571 is: 191,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,747.44 : 347,413.80 = 138,571 : x
  2. Step 2: Convert to fraction form
    251,747.44/347,413.80 = 138,571/x
  3. Step 3: Cross multiply
    251,747.44x = 347,413.80 × 138,571
  4. Step 4: Simplify right side
    251,747.44x = 48,141,477,679.80
  5. Step 5: Solve for x
    x = 48,141,477,679.80/251,747.44
  6. Step 6: Final answer
    x = 191,229.26

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1.5x scale

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.