Finding the Fourth Proportional to 197,091.53, 271,986.26 and 106,447.47
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Solution
The fourth proportional to 197,091.53, 271,986.26 and 106,447.47 is: 146,897.47
Step by Step Solution
- Step 1: Write the proportion equation
197,091.53 : 271,986.26 = 106,447.47 : x - Step 2: Convert to fraction form
197,091.53/271,986.26 = 106,447.47/x - Step 3: Cross multiply
197,091.53x = 271,986.26 × 106,447.47 - Step 4: Simplify right side
197,091.53x = 28,952,247,699.58 - Step 5: Solve for x
x = 28,952,247,699.58/197,091.53 - Step 6: Final answer
x = 146,897.47
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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.