Finding the Fourth Proportional to 355,614.72, 490,743.58 and 202,662.01
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Solution
The fourth proportional to 355,614.72, 490,743.58 and 202,662.01 is: 279,670.88
Step by Step Solution
- Step 1: Write the proportion equation
355,614.72 : 490,743.58 = 202,662.01 : x - Step 2: Convert to fraction form
355,614.72/490,743.58 = 202,662.01/x - Step 3: Cross multiply
355,614.72x = 490,743.58 × 202,662.01 - Step 4: Simplify right side
355,614.72x = 99,455,080,317.40 - Step 5: Solve for x
x = 99,455,080,317.40/355,614.72 - Step 6: Final answer
x = 279,670.88
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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.