Finding the Fourth Proportional to 171,166.68, 256,536.15 and 82,396.44
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Solution
The fourth proportional to 171,166.68, 256,536.15 and 82,396.44 is: 123,491.71
Step by Step Solution
- Step 1: Write the proportion equation
171,166.68 : 256,536.15 = 82,396.44 : x - Step 2: Convert to fraction form
171,166.68/256,536.15 = 82,396.44/x - Step 3: Cross multiply
171,166.68x = 256,536.15 × 82,396.44 - Step 4: Simplify right side
171,166.68x = 21,137,665,491.31 - Step 5: Solve for x
x = 21,137,665,491.31/171,166.68 - Step 6: Final answer
x = 123,491.71
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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.