Finding the Fourth Proportional to 161,397.75, 242,135.51 and 50,589.75
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Solution
The fourth proportional to 161,397.75, 242,135.51 and 50,589.75 is: 75,896.81
Step by Step Solution
- Step 1: Write the proportion equation
161,397.75 : 242,135.51 = 50,589.75 : x - Step 2: Convert to fraction form
161,397.75/242,135.51 = 50,589.75/x - Step 3: Cross multiply
161,397.75x = 242,135.51 × 50,589.75 - Step 4: Simplify right side
161,397.75x = 12,249,574,664.07 - Step 5: Solve for x
x = 12,249,574,664.07/161,397.75 - Step 6: Final answer
x = 75,896.81
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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.