Finding the Fourth Proportional to 212,075.96, 317,993.84 and 69,882.68
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Solution
The fourth proportional to 212,075.96, 317,993.84 and 69,882.68 is: 104,784.44
Step by Step Solution
- Step 1: Write the proportion equation
212,075.96 : 317,993.84 = 69,882.68 : x - Step 2: Convert to fraction form
212,075.96/317,993.84 = 69,882.68/x - Step 3: Cross multiply
212,075.96x = 317,993.84 × 69,882.68 - Step 4: Simplify right side
212,075.96x = 22,222,259,823.31 - Step 5: Solve for x
x = 22,222,259,823.31/212,075.96 - Step 6: Final answer
x = 104,784.44
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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.