Finding the Fourth Proportional to 252,910.64, 348,611.28 and 171,213.12
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Solution
The fourth proportional to 252,910.64, 348,611.28 and 171,213.12 is: 235,999.66
Step by Step Solution
- Step 1: Write the proportion equation
252,910.64 : 348,611.28 = 171,213.12 : x - Step 2: Convert to fraction form
252,910.64/348,611.28 = 171,213.12/x - Step 3: Cross multiply
252,910.64x = 348,611.28 × 171,213.12 - Step 4: Simplify right side
252,910.64x = 59,686,824,915.99 - Step 5: Solve for x
x = 59,686,824,915.99/252,910.64 - Step 6: Final answer
x = 235,999.66
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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.