Finding the Fourth Proportional to 343,479.30, 515,120.49 and 115,750.11
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Solution
The fourth proportional to 343,479.30, 515,120.49 and 115,750.11 is: 173,591.98
Step by Step Solution
- Step 1: Write the proportion equation
343,479.30 : 515,120.49 = 115,750.11 : x - Step 2: Convert to fraction form
343,479.30/515,120.49 = 115,750.11/x - Step 3: Cross multiply
343,479.30x = 515,120.49 × 115,750.11 - Step 4: Simplify right side
343,479.30x = 59,625,253,380.75 - Step 5: Solve for x
x = 59,625,253,380.75/343,479.30 - Step 6: Final answer
x = 173,591.98
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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.