Finding the Fourth Proportional to 181,193.32, 271,670.04 and 86,438.14
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Solution
The fourth proportional to 181,193.32, 271,670.04 and 86,438.14 is: 129,599.99
Step by Step Solution
- Step 1: Write the proportion equation
181,193.32 : 271,670.04 = 86,438.14 : x - Step 2: Convert to fraction form
181,193.32/271,670.04 = 86,438.14/x - Step 3: Cross multiply
181,193.32x = 271,670.04 × 86,438.14 - Step 4: Simplify right side
181,193.32x = 23,482,652,951.33 - Step 5: Solve for x
x = 23,482,652,951.33/181,193.32 - Step 6: Final answer
x = 129,599.99
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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.