Finding the Fourth Proportional to 214,204.05, 320,968.12 and 79,082.31
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Solution
The fourth proportional to 214,204.05, 320,968.12 and 79,082.31 is: 118,498.69
Step by Step Solution
- Step 1: Write the proportion equation
214,204.05 : 320,968.12 = 79,082.31 : x - Step 2: Convert to fraction form
214,204.05/320,968.12 = 79,082.31/x - Step 3: Cross multiply
214,204.05x = 320,968.12 × 79,082.31 - Step 4: Simplify right side
214,204.05x = 25,382,899,714.72 - Step 5: Solve for x
x = 25,382,899,714.72/214,204.05 - Step 6: Final answer
x = 118,498.69
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1.5x scale
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.