Finding the Fourth Proportional to 557,183.06, 768,891.05 and 302,528.42
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Solution
The fourth proportional to 557,183.06, 768,891.05 and 302,528.42 is: 417,477.50
Step by Step Solution
- Step 1: Write the proportion equation
557,183.06 : 768,891.05 = 302,528.42 : x - Step 2: Convert to fraction form
557,183.06/768,891.05 = 302,528.42/x - Step 3: Cross multiply
557,183.06x = 768,891.05 × 302,528.42 - Step 4: Simplify right side
557,183.06x = 232,611,389,151.54 - Step 5: Solve for x
x = 232,611,389,151.54/557,183.06 - Step 6: Final answer
x = 417,477.50
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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.