Finding the Fourth Proportional to 378,953.44, 565,136.36 and 373,868.68
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Solution
The fourth proportional to 378,953.44, 565,136.36 and 373,868.68 is: 557,553.42
Step by Step Solution
- Step 1: Write the proportion equation
378,953.44 : 565,136.36 = 373,868.68 : x - Step 2: Convert to fraction form
378,953.44/565,136.36 = 373,868.68/x - Step 3: Cross multiply
378,953.44x = 565,136.36 × 373,868.68 - Step 4: Simplify right side
378,953.44x = 211,286,784,933.21 - Step 5: Solve for x
x = 211,286,784,933.21/378,953.44 - Step 6: Final answer
x = 557,553.42
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.