Finding the Fourth Proportional to 135,609.40, 203,266.32 and 115,827.94
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Solution
The fourth proportional to 135,609.40, 203,266.32 and 115,827.94 is: 173,615.69
Step by Step Solution
- Step 1: Write the proportion equation
135,609.40 : 203,266.32 = 115,827.94 : x - Step 2: Convert to fraction form
135,609.40/203,266.32 = 115,827.94/x - Step 3: Cross multiply
135,609.40x = 203,266.32 × 115,827.94 - Step 4: Simplify right side
135,609.40x = 23,543,919,116.98 - Step 5: Solve for x
x = 23,543,919,116.98/135,609.40 - Step 6: Final answer
x = 173,615.69
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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.