Finding the Fourth Proportional to 220,587.30, 304,410.42 and 125,093.97
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Solution
The fourth proportional to 220,587.30, 304,410.42 and 125,093.97 is: 172,629.65
Step by Step Solution
- Step 1: Write the proportion equation
220,587.30 : 304,410.42 = 125,093.97 : x - Step 2: Convert to fraction form
220,587.30/304,410.42 = 125,093.97/x - Step 3: Cross multiply
220,587.30x = 304,410.42 × 125,093.97 - Step 4: Simplify right side
220,587.30x = 38,079,907,947.17 - Step 5: Solve for x
x = 38,079,907,947.17/220,587.30 - Step 6: Final answer
x = 172,629.65
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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.