Finding the Fourth Proportional to 151,375.75, 208,905.02 and 84,307.75
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Solution
The fourth proportional to 151,375.75, 208,905.02 and 84,307.75 is: 116,348.31
Step by Step Solution
- Step 1: Write the proportion equation
151,375.75 : 208,905.02 = 84,307.75 : x - Step 2: Convert to fraction form
151,375.75/208,905.02 = 84,307.75/x - Step 3: Cross multiply
151,375.75x = 208,905.02 × 84,307.75 - Step 4: Simplify right side
151,375.75x = 17,612,312,199.91 - Step 5: Solve for x
x = 17,612,312,199.91/151,375.75 - Step 6: Final answer
x = 116,348.31
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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.