Finding the Fourth Proportional to 161,769.21, 242,654.41 and 49,448.99
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Solution
The fourth proportional to 161,769.21, 242,654.41 and 49,448.99 is: 74,173.67
Step by Step Solution
- Step 1: Write the proportion equation
161,769.21 : 242,654.41 = 49,448.99 : x - Step 2: Convert to fraction form
161,769.21/242,654.41 = 49,448.99/x - Step 3: Cross multiply
161,769.21x = 242,654.41 × 49,448.99 - Step 4: Simplify right side
161,769.21x = 11,999,015,707.02 - Step 5: Solve for x
x = 11,999,015,707.02/161,769.21 - Step 6: Final answer
x = 74,173.67
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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.