Finding the Fourth Proportional to 397,329.12, 596,093.04 and 131,104.80
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Solution
The fourth proportional to 397,329.12, 596,093.04 and 131,104.80 is: 196,689.99
Step by Step Solution
- Step 1: Write the proportion equation
397,329.12 : 596,093.04 = 131,104.80 : x - Step 2: Convert to fraction form
397,329.12/596,093.04 = 131,104.80/x - Step 3: Cross multiply
397,329.12x = 596,093.04 × 131,104.80 - Step 4: Simplify right side
397,329.12x = 78,150,658,790.59 - Step 5: Solve for x
x = 78,150,658,790.59/397,329.12 - Step 6: Final answer
x = 196,689.99
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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.