Finding the Fourth Proportional to 178,691.56, 246,583.16 and 98,118.70
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Solution
The fourth proportional to 178,691.56, 246,583.16 and 98,118.70 is: 135,397.66
Step by Step Solution
- Step 1: Write the proportion equation
178,691.56 : 246,583.16 = 98,118.70 : x - Step 2: Convert to fraction form
178,691.56/246,583.16 = 98,118.70/x - Step 3: Cross multiply
178,691.56x = 246,583.16 × 98,118.70 - Step 4: Simplify right side
178,691.56x = 24,194,419,101.09 - Step 5: Solve for x
x = 24,194,419,101.09/178,691.56 - Step 6: Final answer
x = 135,397.66
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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.