Finding the Fourth Proportional to 151,832.02, 209,528.49 and 84,764.02
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Solution
The fourth proportional to 151,832.02, 209,528.49 and 84,764.02 is: 116,974.52
Step by Step Solution
- Step 1: Write the proportion equation
151,832.02 : 209,528.49 = 84,764.02 : x - Step 2: Convert to fraction form
151,832.02/209,528.49 = 84,764.02/x - Step 3: Cross multiply
151,832.02x = 209,528.49 × 84,764.02 - Step 4: Simplify right side
151,832.02x = 17,760,477,116.93 - Step 5: Solve for x
x = 17,760,477,116.93/151,832.02 - Step 6: Final answer
x = 116,974.52
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1.5x scale
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.