Finding the Fourth Proportional to 248,611.80, 372,917.70 and 115,447.80
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Solution
The fourth proportional to 248,611.80, 372,917.70 and 115,447.80 is: 173,171.70
Step by Step Solution
- Step 1: Write the proportion equation
248,611.80 : 372,917.70 = 115,447.80 : x - Step 2: Convert to fraction form
248,611.80/372,917.70 = 115,447.80/x - Step 3: Cross multiply
248,611.80x = 372,917.70 × 115,447.80 - Step 4: Simplify right side
248,611.80x = 43,052,528,046.06 - Step 5: Solve for x
x = 43,052,528,046.06/248,611.80 - Step 6: Final answer
x = 173,171.70
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1.5x scale
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.