Finding the Fourth Proportional to 149,414.30, 206,181.70 and 84,897.11
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Solution
The fourth proportional to 149,414.30, 206,181.70 and 84,897.11 is: 117,152.32
Step by Step Solution
- Step 1: Write the proportion equation
149,414.30 : 206,181.70 = 84,897.11 : x - Step 2: Convert to fraction form
149,414.30/206,181.70 = 84,897.11/x - Step 3: Cross multiply
149,414.30x = 206,181.70 × 84,897.11 - Step 4: Simplify right side
149,414.30x = 17,504,230,768.10 - Step 5: Solve for x
x = 17,504,230,768.10/149,414.30 - Step 6: Final answer
x = 117,152.32
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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.