Finding the Fourth Proportional to 263,385.99, 363,474.87 and 154,555.41
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Solution
The fourth proportional to 263,385.99, 363,474.87 and 154,555.41 is: 213,287.76
Step by Step Solution
- Step 1: Write the proportion equation
263,385.99 : 363,474.87 = 154,555.41 : x - Step 2: Convert to fraction form
263,385.99/363,474.87 = 154,555.41/x - Step 3: Cross multiply
263,385.99x = 363,474.87 × 154,555.41 - Step 4: Simplify right side
263,385.99x = 56,177,007,557.55 - Step 5: Solve for x
x = 56,177,007,557.55/263,385.99 - Step 6: Final answer
x = 213,287.76
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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.