Finding the Fourth Proportional to 271,573.84, 407,380.74 and 71,892.88
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Solution
The fourth proportional to 271,573.84, 407,380.74 and 71,892.88 is: 107,844.61
Step by Step Solution
- Step 1: Write the proportion equation
271,573.84 : 407,380.74 = 71,892.88 : x - Step 2: Convert to fraction form
271,573.84/407,380.74 = 71,892.88/x - Step 3: Cross multiply
271,573.84x = 407,380.74 × 71,892.88 - Step 4: Simplify right side
271,573.84x = 29,287,774,655.13 - Step 5: Solve for x
x = 29,287,774,655.13/271,573.84 - Step 6: Final answer
x = 107,844.61
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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.