Finding the Fourth Proportional to 213,039.68, 293,996.40 and 117,546.08
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Solution
The fourth proportional to 213,039.68, 293,996.40 and 117,546.08 is: 162,214.50
Step by Step Solution
- Step 1: Write the proportion equation
213,039.68 : 293,996.40 = 117,546.08 : x - Step 2: Convert to fraction form
213,039.68/293,996.40 = 117,546.08/x - Step 3: Cross multiply
213,039.68x = 293,996.40 × 117,546.08 - Step 4: Simplify right side
213,039.68x = 34,558,124,354.11 - Step 5: Solve for x
x = 34,558,124,354.11/213,039.68 - Step 6: Final answer
x = 162,214.50
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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.