Finding the Fourth Proportional to 178,431.93, 246,239.21 and 97,858.75
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Solution
The fourth proportional to 178,431.93, 246,239.21 and 97,858.75 is: 135,046.80
Step by Step Solution
- Step 1: Write the proportion equation
178,431.93 : 246,239.21 = 97,858.75 : x - Step 2: Convert to fraction form
178,431.93/246,239.21 = 97,858.75/x - Step 3: Cross multiply
178,431.93x = 246,239.21 × 97,858.75 - Step 4: Simplify right side
178,431.93x = 24,096,661,291.59 - Step 5: Solve for x
x = 24,096,661,291.59/178,431.93 - Step 6: Final answer
x = 135,046.80
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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.