Finding the Fourth Proportional to 204,718.23, 307,077.35 and 79,971.75
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Solution
The fourth proportional to 204,718.23, 307,077.35 and 79,971.75 is: 119,957.63
Step by Step Solution
- Step 1: Write the proportion equation
204,718.23 : 307,077.35 = 79,971.75 : x - Step 2: Convert to fraction form
204,718.23/307,077.35 = 79,971.75/x - Step 3: Cross multiply
204,718.23x = 307,077.35 × 79,971.75 - Step 4: Simplify right side
204,718.23x = 24,557,512,665.00 - Step 5: Solve for x
x = 24,557,512,665.00/204,718.23 - Step 6: Final answer
x = 119,957.63
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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.