Finding the Fourth Proportional to 107,657.19, 161,510.36 and 32,787.94
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Solution
The fourth proportional to 107,657.19, 161,510.36 and 32,787.94 is: 49,189.39
Step by Step Solution
- Step 1: Write the proportion equation
107,657.19 : 161,510.36 = 32,787.94 : x - Step 2: Convert to fraction form
107,657.19/161,510.36 = 32,787.94/x - Step 3: Cross multiply
107,657.19x = 161,510.36 × 32,787.94 - Step 4: Simplify right side
107,657.19x = 5,295,591,993.06 - Step 5: Solve for x
x = 5,295,591,993.06/107,657.19 - Step 6: Final answer
x = 49,189.39
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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.