Finding the Fourth Proportional to 355,192.08, 490,187.70 and 202,243.64
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Solution
The fourth proportional to 355,192.08, 490,187.70 and 202,243.64 is: 279,109.11
Step by Step Solution
- Step 1: Write the proportion equation
355,192.08 : 490,187.70 = 202,243.64 : x - Step 2: Convert to fraction form
355,192.08/490,187.70 = 202,243.64/x - Step 3: Cross multiply
355,192.08x = 490,187.70 × 202,243.64 - Step 4: Simplify right side
355,192.08x = 99,137,344,731.23 - Step 5: Solve for x
x = 99,137,344,731.23/355,192.08 - Step 6: Final answer
x = 279,109.11
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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.