Finding the Fourth Proportional to 162,578.46, 243,552.06 and 119,806.18
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Solution
The fourth proportional to 162,578.46, 243,552.06 and 119,806.18 is: 179,476.68
Step by Step Solution
- Step 1: Write the proportion equation
162,578.46 : 243,552.06 = 119,806.18 : x - Step 2: Convert to fraction form
162,578.46/243,552.06 = 119,806.18/x - Step 3: Cross multiply
162,578.46x = 243,552.06 × 119,806.18 - Step 4: Simplify right side
162,578.46x = 29,179,041,939.73 - Step 5: Solve for x
x = 29,179,041,939.73/162,578.46 - Step 6: Final answer
x = 179,476.68
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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.