Finding the Fourth Proportional to 199,197.08, 274,888.56 and 108,553.84
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Solution
The fourth proportional to 199,197.08, 274,888.56 and 108,553.84 is: 149,802.44
Step by Step Solution
- Step 1: Write the proportion equation
199,197.08 : 274,888.56 = 108,553.84 : x - Step 2: Convert to fraction form
199,197.08/274,888.56 = 108,553.84/x - Step 3: Cross multiply
199,197.08x = 274,888.56 × 108,553.84 - Step 4: Simplify right side
199,197.08x = 29,840,208,760.07 - Step 5: Solve for x
x = 29,840,208,760.07/199,197.08 - Step 6: Final answer
x = 149,802.44
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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.