Finding the Fourth Proportional to 188,115.01, 282,006.39 and 143,938.99
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Solution
The fourth proportional to 188,115.01, 282,006.39 and 143,938.99 is: 215,781.38
Step by Step Solution
- Step 1: Write the proportion equation
188,115.01 : 282,006.39 = 143,938.99 : x - Step 2: Convert to fraction form
188,115.01/282,006.39 = 143,938.99/x - Step 3: Cross multiply
188,115.01x = 282,006.39 × 143,938.99 - Step 4: Simplify right side
188,115.01x = 40,591,715,842.43 - Step 5: Solve for x
x = 40,591,715,842.43/188,115.01 - Step 6: Final answer
x = 215,781.38
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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.