Finding the Fourth Proportional to 161,799.87, 242,677.13 and 68,283.75
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Solution
The fourth proportional to 161,799.87, 242,677.13 and 68,283.75 is: 102,416.05
Step by Step Solution
- Step 1: Write the proportion equation
161,799.87 : 242,677.13 = 68,283.75 : x - Step 2: Convert to fraction form
161,799.87/242,677.13 = 68,283.75/x - Step 3: Cross multiply
161,799.87x = 242,677.13 × 68,283.75 - Step 4: Simplify right side
161,799.87x = 16,570,904,134.22 - Step 5: Solve for x
x = 16,570,904,134.22/161,799.87 - Step 6: Final answer
x = 102,416.05
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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.