Finding the Fourth Proportional to 235,876.23, 353,748.63 and 78,116.97
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Solution
The fourth proportional to 235,876.23, 353,748.63 and 78,116.97 is: 117,153.69
Step by Step Solution
- Step 1: Write the proportion equation
235,876.23 : 353,748.63 = 78,116.97 : x - Step 2: Convert to fraction form
235,876.23/353,748.63 = 78,116.97/x - Step 3: Cross multiply
235,876.23x = 353,748.63 × 78,116.97 - Step 4: Simplify right side
235,876.23x = 27,633,771,117.25 - Step 5: Solve for x
x = 27,633,771,117.25/235,876.23 - Step 6: Final answer
x = 117,153.69
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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.