Finding the Fourth Proportional to 263,253.21, 363,289.49 and 148,556.23
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Solution
The fourth proportional to 263,253.21, 363,289.49 and 148,556.23 is: 205,007.63
Step by Step Solution
- Step 1: Write the proportion equation
263,253.21 : 363,289.49 = 148,556.23 : x - Step 2: Convert to fraction form
263,253.21/363,289.49 = 148,556.23/x - Step 3: Cross multiply
263,253.21x = 363,289.49 × 148,556.23 - Step 4: Simplify right side
263,253.21x = 53,968,915,939.10 - Step 5: Solve for x
x = 53,968,915,939.10/263,253.21 - Step 6: Final answer
x = 205,007.63
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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.