Finding the Fourth Proportional to 421,650.99, 632,476.49 and 122,131.67
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Solution
The fourth proportional to 421,650.99, 632,476.49 and 122,131.67 is: 183,197.50
Step by Step Solution
- Step 1: Write the proportion equation
421,650.99 : 632,476.49 = 122,131.67 : x - Step 2: Convert to fraction form
421,650.99/632,476.49 = 122,131.67/x - Step 3: Cross multiply
421,650.99x = 632,476.49 × 122,131.67 - Step 4: Simplify right side
421,650.99x = 77,245,409,826.49 - Step 5: Solve for x
x = 77,245,409,826.49/421,650.99 - Step 6: Final answer
x = 183,197.50
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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.