Finding the Fourth Proportional to 157,168.43, 235,651.15 and 67,269.84
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Solution
The fourth proportional to 157,168.43, 235,651.15 and 67,269.84 is: 100,861.32
Step by Step Solution
- Step 1: Write the proportion equation
157,168.43 : 235,651.15 = 67,269.84 : x - Step 2: Convert to fraction form
157,168.43/235,651.15 = 67,269.84/x - Step 3: Cross multiply
157,168.43x = 235,651.15 × 67,269.84 - Step 4: Simplify right side
157,168.43x = 15,852,215,156.32 - Step 5: Solve for x
x = 15,852,215,156.32/157,168.43 - Step 6: Final answer
x = 100,861.32
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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.