Finding the Fourth Proportional to 199,197.52, 274,892.62 and 108,553.49
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Solution
The fourth proportional to 199,197.52, 274,892.62 and 108,553.49 is: 149,803.84
Step by Step Solution
- Step 1: Write the proportion equation
199,197.52 : 274,892.62 = 108,553.49 : x - Step 2: Convert to fraction form
199,197.52/274,892.62 = 108,553.49/x - Step 3: Cross multiply
199,197.52x = 274,892.62 × 108,553.49 - Step 4: Simplify right side
199,197.52x = 29,840,553,276.24 - Step 5: Solve for x
x = 29,840,553,276.24/199,197.52 - Step 6: Final answer
x = 149,803.84
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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.