Finding the Fourth Proportional to 161,674.28, 242,511.44 and 49,355.09
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Solution
The fourth proportional to 161,674.28, 242,511.44 and 49,355.09 is: 74,032.64
Step by Step Solution
- Step 1: Write the proportion equation
161,674.28 : 242,511.44 = 49,355.09 : x - Step 2: Convert to fraction form
161,674.28/242,511.44 = 49,355.09/x - Step 3: Cross multiply
161,674.28x = 242,511.44 × 49,355.09 - Step 4: Simplify right side
161,674.28x = 11,969,173,397.31 - Step 5: Solve for x
x = 11,969,173,397.31/161,674.28 - Step 6: Final answer
x = 74,032.64
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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.