Finding the Fourth Proportional to 178,761.12, 246,679.44 and 98,172.96
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Solution
The fourth proportional to 178,761.12, 246,679.44 and 98,172.96 is: 135,472.70
Step by Step Solution
- Step 1: Write the proportion equation
178,761.12 : 246,679.44 = 98,172.96 : x - Step 2: Convert to fraction form
178,761.12/246,679.44 = 98,172.96/x - Step 3: Cross multiply
178,761.12x = 246,679.44 × 98,172.96 - Step 4: Simplify right side
178,761.12x = 24,217,250,795.94 - Step 5: Solve for x
x = 24,217,250,795.94/178,761.12 - Step 6: Final answer
x = 135,472.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.