Finding the Fourth Proportional to 81,396.84, 122,075.58 and 22,232.82
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Solution
The fourth proportional to 81,396.84, 122,075.58 and 22,232.82 is: 33,343.85
Step by Step Solution
- Step 1: Write the proportion equation
81,396.84 : 122,075.58 = 22,232.82 : x - Step 2: Convert to fraction form
81,396.84/122,075.58 = 22,232.82/x - Step 3: Cross multiply
81,396.84x = 122,075.58 × 22,232.82 - Step 4: Simplify right side
81,396.84x = 2,714,084,396.54 - Step 5: Solve for x
x = 2,714,084,396.54/81,396.84 - Step 6: Final answer
x = 33,343.85
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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.