Finding the Fourth Proportional to 263,402.99, 363,497.02 and 142,544.24
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Solution
The fourth proportional to 263,402.99, 363,497.02 and 142,544.24 is: 196,711.53
Step by Step Solution
- Step 1: Write the proportion equation
263,402.99 : 363,497.02 = 142,544.24 : x - Step 2: Convert to fraction form
263,402.99/363,497.02 = 142,544.24/x - Step 3: Cross multiply
263,402.99x = 363,497.02 × 142,544.24 - Step 4: Simplify right side
263,402.99x = 51,814,405,647.43 - Step 5: Solve for x
x = 51,814,405,647.43/263,402.99 - Step 6: Final answer
x = 196,711.53
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1.5x scale
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.