Finding the Fourth Proportional to 136,274.68, 204,412.08 and 61,307.28
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Solution
The fourth proportional to 136,274.68, 204,412.08 and 61,307.28 is: 91,960.95
Step by Step Solution
- Step 1: Write the proportion equation
136,274.68 : 204,412.08 = 61,307.28 : x - Step 2: Convert to fraction form
136,274.68/204,412.08 = 61,307.28/x - Step 3: Cross multiply
136,274.68x = 204,412.08 × 61,307.28 - Step 4: Simplify right side
136,274.68x = 12,531,948,623.94 - Step 5: Solve for x
x = 12,531,948,623.94/136,274.68 - Step 6: Final answer
x = 91,960.95
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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.