Finding the Fourth Proportional to 188,703.93, 260,300.84 and 120,696.09
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Solution
The fourth proportional to 188,703.93, 260,300.84 and 120,696.09 is: 166,489.87
Step by Step Solution
- Step 1: Write the proportion equation
188,703.93 : 260,300.84 = 120,696.09 : x - Step 2: Convert to fraction form
188,703.93/260,300.84 = 120,696.09/x - Step 3: Cross multiply
188,703.93x = 260,300.84 × 120,696.09 - Step 4: Simplify right side
188,703.93x = 31,417,293,077.07 - Step 5: Solve for x
x = 31,417,293,077.07/188,703.93 - Step 6: Final answer
x = 166,489.87
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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.