Finding the Fourth Proportional to 311,514.53, 467,265.07 and 86,868.99
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Solution
The fourth proportional to 311,514.53, 467,265.07 and 86,868.99 is: 130,301.60
Step by Step Solution
- Step 1: Write the proportion equation
311,514.53 : 467,265.07 = 86,868.99 : x - Step 2: Convert to fraction form
311,514.53/467,265.07 = 86,868.99/x - Step 3: Cross multiply
311,514.53x = 467,265.07 × 86,868.99 - Step 4: Simplify right side
311,514.53x = 40,590,842,356.85 - Step 5: Solve for x
x = 40,590,842,356.85/311,514.53 - Step 6: Final answer
x = 130,301.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.