Finding the Fourth Proportional to 174,715.51, 261,918.12 and 68,074.75
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Solution
The fourth proportional to 174,715.51, 261,918.12 and 68,074.75 is: 102,051.68
Step by Step Solution
- Step 1: Write the proportion equation
174,715.51 : 261,918.12 = 68,074.75 : x - Step 2: Convert to fraction form
174,715.51/261,918.12 = 68,074.75/x - Step 3: Cross multiply
174,715.51x = 261,918.12 × 68,074.75 - Step 4: Simplify right side
174,715.51x = 17,830,010,539.47 - Step 5: Solve for x
x = 17,830,010,539.47/174,715.51 - Step 6: Final answer
x = 102,051.68
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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.