Finding the Fourth Proportional to 372,331.80, 558,485.81 and 119,611.26
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Solution
The fourth proportional to 372,331.80, 558,485.81 and 119,611.26 is: 179,413.07
Step by Step Solution
- Step 1: Write the proportion equation
372,331.80 : 558,485.81 = 119,611.26 : x - Step 2: Convert to fraction form
372,331.80/558,485.81 = 119,611.26/x - Step 3: Cross multiply
372,331.80x = 558,485.81 × 119,611.26 - Step 4: Simplify right side
372,331.80x = 66,801,191,426.22 - Step 5: Solve for x
x = 66,801,191,426.22/372,331.80 - Step 6: Final answer
x = 179,413.07
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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.