Finding the Fourth Proportional to 106,619.68, 159,935.28 and 27,734.08
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Solution
The fourth proportional to 106,619.68, 159,935.28 and 27,734.08 is: 41,602.62
Step by Step Solution
- Step 1: Write the proportion equation
106,619.68 : 159,935.28 = 27,734.08 : x - Step 2: Convert to fraction form
106,619.68/159,935.28 = 27,734.08/x - Step 3: Cross multiply
106,619.68x = 159,935.28 × 27,734.08 - Step 4: Simplify right side
106,619.68x = 4,435,657,850.34 - Step 5: Solve for x
x = 4,435,657,850.34/106,619.68 - Step 6: Final answer
x = 41,602.62
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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.