Finding the Fourth Proportional to 217,662.66, 326,577.96 and 84,636.63
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Solution
The fourth proportional to 217,662.66, 326,577.96 and 84,636.63 is: 126,987.60
Step by Step Solution
- Step 1: Write the proportion equation
217,662.66 : 326,577.96 = 84,636.63 : x - Step 2: Convert to fraction form
217,662.66/326,577.96 = 84,636.63/x - Step 3: Cross multiply
217,662.66x = 326,577.96 × 84,636.63 - Step 4: Simplify right side
217,662.66x = 27,640,457,966.67 - Step 5: Solve for x
x = 27,640,457,966.67/217,662.66 - Step 6: Final answer
x = 126,987.60
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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.