Finding the Fourth Proportional to 279,168.08, 418,593.44 and 190,528.96
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Solution
The fourth proportional to 279,168.08, 418,593.44 and 190,528.96 is: 285,685.14
Step by Step Solution
- Step 1: Write the proportion equation
279,168.08 : 418,593.44 = 190,528.96 : x - Step 2: Convert to fraction form
279,168.08/418,593.44 = 190,528.96/x - Step 3: Cross multiply
279,168.08x = 418,593.44 × 190,528.96 - Step 4: Simplify right side
279,168.08x = 79,754,172,786.02 - Step 5: Solve for x
x = 79,754,172,786.02/279,168.08 - Step 6: Final answer
x = 285,685.14
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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.