Finding the Fourth Proportional to 215,926.36, 323,877.87 and 66,167.09
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Solution
The fourth proportional to 215,926.36, 323,877.87 and 66,167.09 is: 99,247.05
Step by Step Solution
- Step 1: Write the proportion equation
215,926.36 : 323,877.87 = 66,167.09 : x - Step 2: Convert to fraction form
215,926.36/323,877.87 = 66,167.09/x - Step 3: Cross multiply
215,926.36x = 323,877.87 × 66,167.09 - Step 4: Simplify right side
215,926.36x = 21,430,054,223.07 - Step 5: Solve for x
x = 21,430,054,223.07/215,926.36 - Step 6: Final answer
x = 99,247.05
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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.