Finding the Fourth Proportional to 248,361.08, 372,614.21 and 79,877.63
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Solution
The fourth proportional to 248,361.08, 372,614.21 and 79,877.63 is: 119,839.79
Step by Step Solution
- Step 1: Write the proportion equation
248,361.08 : 372,614.21 = 79,877.63 : x - Step 2: Convert to fraction form
248,361.08/372,614.21 = 79,877.63/x - Step 3: Cross multiply
248,361.08x = 372,614.21 × 79,877.63 - Step 4: Simplify right side
248,361.08x = 29,763,539,999.12 - Step 5: Solve for x
x = 29,763,539,999.12/248,361.08 - Step 6: Final answer
x = 119,839.79
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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.