Finding the Fourth Proportional to 263,257.93, 363,295.99 and 142,399.18
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Solution
The fourth proportional to 263,257.93, 363,295.99 and 142,399.18 is: 196,510.89
Step by Step Solution
- Step 1: Write the proportion equation
263,257.93 : 363,295.99 = 142,399.18 : x - Step 2: Convert to fraction form
263,257.93/363,295.99 = 142,399.18/x - Step 3: Cross multiply
263,257.93x = 363,295.99 × 142,399.18 - Step 4: Simplify right side
263,257.93x = 51,733,048,544.81 - Step 5: Solve for x
x = 51,733,048,544.81/263,257.93 - Step 6: Final answer
x = 196,510.89
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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.