Finding the Fourth Proportional to 203,472.60, 305,146.48 and 140,696.10
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Solution
The fourth proportional to 203,472.60, 305,146.48 and 140,696.10 is: 211,000.99
Step by Step Solution
- Step 1: Write the proportion equation
203,472.60 : 305,146.48 = 140,696.10 : x - Step 2: Convert to fraction form
203,472.60/305,146.48 = 140,696.10/x - Step 3: Cross multiply
203,472.60x = 305,146.48 × 140,696.10 - Step 4: Simplify right side
203,472.60x = 42,932,919,664.73 - Step 5: Solve for x
x = 42,932,919,664.73/203,472.60 - Step 6: Final answer
x = 211,000.99
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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.