Finding the Fourth Proportional to 299,074.97, 412,490.22 and 191,654.99
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Solution
The fourth proportional to 299,074.97, 412,490.22 and 191,654.99 is: 264,334.43
Step by Step Solution
- Step 1: Write the proportion equation
299,074.97 : 412,490.22 = 191,654.99 : x - Step 2: Convert to fraction form
299,074.97/412,490.22 = 191,654.99/x - Step 3: Cross multiply
299,074.97x = 412,490.22 × 191,654.99 - Step 4: Simplify right side
299,074.97x = 79,055,811,153.20 - Step 5: Solve for x
x = 79,055,811,153.20/299,074.97 - Step 6: Final answer
x = 264,334.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.