Finding the Fourth Proportional to 151,845.68, 209,350.50 and 104,013.56
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Solution
The fourth proportional to 151,845.68, 209,350.50 and 104,013.56 is: 143,404.08
Step by Step Solution
- Step 1: Write the proportion equation
151,845.68 : 209,350.50 = 104,013.56 : x - Step 2: Convert to fraction form
151,845.68/209,350.50 = 104,013.56/x - Step 3: Cross multiply
151,845.68x = 209,350.50 × 104,013.56 - Step 4: Simplify right side
151,845.68x = 21,775,290,792.78 - Step 5: Solve for x
x = 21,775,290,792.78/151,845.68 - Step 6: Final answer
x = 143,404.08
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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.