Finding the Fourth Proportional to 157,211.70, 235,817.55 and 44,891.70
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Solution
The fourth proportional to 157,211.70, 235,817.55 and 44,891.70 is: 67,337.55
Step by Step Solution
- Step 1: Write the proportion equation
157,211.70 : 235,817.55 = 44,891.70 : x - Step 2: Convert to fraction form
157,211.70/235,817.55 = 44,891.70/x - Step 3: Cross multiply
157,211.70x = 235,817.55 × 44,891.70 - Step 4: Simplify right side
157,211.70x = 10,586,250,709.34 - Step 5: Solve for x
x = 10,586,250,709.34/157,211.70 - Step 6: Final answer
x = 67,337.55
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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.