Finding the Fourth Proportional to 557,183.30, 768,891.39 and 302,528.66
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Solution
The fourth proportional to 557,183.30, 768,891.39 and 302,528.66 is: 417,477.84
Step by Step Solution
- Step 1: Write the proportion equation
557,183.30 : 768,891.39 = 302,528.66 : x - Step 2: Convert to fraction form
557,183.30/768,891.39 = 302,528.66/x - Step 3: Cross multiply
557,183.30x = 768,891.39 × 302,528.66 - Step 4: Simplify right side
557,183.30x = 232,611,681,902.24 - Step 5: Solve for x
x = 232,611,681,902.24/557,183.30 - Step 6: Final answer
x = 417,477.84
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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.