Finding the Fourth Proportional to 161,616.96, 242,451.09 and 49,271.45
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Solution
The fourth proportional to 161,616.96, 242,451.09 and 49,271.45 is: 73,914.99
Step by Step Solution
- Step 1: Write the proportion equation
161,616.96 : 242,451.09 = 49,271.45 : x - Step 2: Convert to fraction form
161,616.96/242,451.09 = 49,271.45/x - Step 3: Cross multiply
161,616.96x = 242,451.09 × 49,271.45 - Step 4: Simplify right side
161,616.96x = 11,945,915,546.13 - Step 5: Solve for x
x = 11,945,915,546.13/161,616.96 - Step 6: Final answer
x = 73,914.99
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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.