Finding the Fourth Proportional to 253,896.12, 350,376.93 and 140,718.96
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Solution
The fourth proportional to 253,896.12, 350,376.93 and 140,718.96 is: 194,192.32
Step by Step Solution
- Step 1: Write the proportion equation
253,896.12 : 350,376.93 = 140,718.96 : x - Step 2: Convert to fraction form
253,896.12/350,376.93 = 140,718.96/x - Step 3: Cross multiply
253,896.12x = 350,376.93 × 140,718.96 - Step 4: Simplify right side
253,896.12x = 49,304,677,197.59 - Step 5: Solve for x
x = 49,304,677,197.59/253,896.12 - Step 6: Final answer
x = 194,192.32
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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.