Finding the Fourth Proportional to 369,163.44, 553,356.36 and 191,481.84
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Solution
The fourth proportional to 369,163.44, 553,356.36 and 191,481.84 is: 287,021.09
Step by Step Solution
- Step 1: Write the proportion equation
369,163.44 : 553,356.36 = 191,481.84 : x - Step 2: Convert to fraction form
369,163.44/553,356.36 = 191,481.84/x - Step 3: Cross multiply
369,163.44x = 553,356.36 × 191,481.84 - Step 4: Simplify right side
369,163.44x = 105,957,693,988.50 - Step 5: Solve for x
x = 105,957,693,988.50/369,163.44 - Step 6: Final answer
x = 287,021.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.