Finding the Fourth Proportional to 263,683.70, 363,883.62 and 142,824.62
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Solution
The fourth proportional to 263,683.70, 363,883.62 and 142,824.62 is: 197,098.03
Step by Step Solution
- Step 1: Write the proportion equation
263,683.70 : 363,883.62 = 142,824.62 : x - Step 2: Convert to fraction form
263,683.70/363,883.62 = 142,824.62/x - Step 3: Cross multiply
263,683.70x = 363,883.62 × 142,824.62 - Step 4: Simplify right side
263,683.70x = 51,971,537,944.10 - Step 5: Solve for x
x = 51,971,537,944.10/263,683.70 - Step 6: Final answer
x = 197,098.03
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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.