Finding the Fourth Proportional to 236,672.62, 326,636.15 and 133,310.18
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Solution
The fourth proportional to 236,672.62, 326,636.15 and 133,310.18 is: 183,983.79
Step by Step Solution
- Step 1: Write the proportion equation
236,672.62 : 326,636.15 = 133,310.18 : x - Step 2: Convert to fraction form
236,672.62/326,636.15 = 133,310.18/x - Step 3: Cross multiply
236,672.62x = 326,636.15 × 133,310.18 - Step 4: Simplify right side
236,672.62x = 43,543,924,101.05 - Step 5: Solve for x
x = 43,543,924,101.05/236,672.62 - Step 6: Final answer
x = 183,983.79
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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.