Finding the Fourth Proportional to 198,752.75, 274,253.86 and 134,362.09
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Solution
The fourth proportional to 198,752.75, 274,253.86 and 134,362.09 is: 185,402.83
Step by Step Solution
- Step 1: Write the proportion equation
198,752.75 : 274,253.86 = 134,362.09 : x - Step 2: Convert to fraction form
198,752.75/274,253.86 = 134,362.09/x - Step 3: Cross multiply
198,752.75x = 274,253.86 × 134,362.09 - Step 4: Simplify right side
198,752.75x = 36,849,321,820.17 - Step 5: Solve for x
x = 36,849,321,820.17/198,752.75 - Step 6: Final answer
x = 185,402.83
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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.