Finding the Fourth Proportional to 262,043.66, 361,583.79 and 147,306.08
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Solution
The fourth proportional to 262,043.66, 361,583.79 and 147,306.08 is: 203,261.89
Step by Step Solution
- Step 1: Write the proportion equation
262,043.66 : 361,583.79 = 147,306.08 : x - Step 2: Convert to fraction form
262,043.66/361,583.79 = 147,306.08/x - Step 3: Cross multiply
262,043.66x = 361,583.79 × 147,306.08 - Step 4: Simplify right side
262,043.66x = 53,263,490,696.44 - Step 5: Solve for x
x = 53,263,490,696.44/262,043.66 - Step 6: Final answer
x = 203,261.89
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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.