Finding the Fourth Proportional to 151,805.62, 209,550.83 and 135,862.38
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Solution
The fourth proportional to 151,805.62, 209,550.83 and 135,862.38 is: 187,542.95
Step by Step Solution
- Step 1: Write the proportion equation
151,805.62 : 209,550.83 = 135,862.38 : x - Step 2: Convert to fraction form
151,805.62/209,550.83 = 135,862.38/x - Step 3: Cross multiply
151,805.62x = 209,550.83 × 135,862.38 - Step 4: Simplify right side
151,805.62x = 28,470,074,494.78 - Step 5: Solve for x
x = 28,470,074,494.78/151,805.62 - Step 6: Final answer
x = 187,542.95
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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.