Finding the Fourth Proportional to 161,523.75, 242,295.35 and 50,715.75
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Solution
The fourth proportional to 161,523.75, 242,295.35 and 50,715.75 is: 76,076.68
Step by Step Solution
- Step 1: Write the proportion equation
161,523.75 : 242,295.35 = 50,715.75 : x - Step 2: Convert to fraction form
161,523.75/242,295.35 = 50,715.75/x - Step 3: Cross multiply
161,523.75x = 242,295.35 × 50,715.75 - Step 4: Simplify right side
161,523.75x = 12,288,190,143.18 - Step 5: Solve for x
x = 12,288,190,143.18/161,523.75 - Step 6: Final answer
x = 76,076.68
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1.5x scale
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.