Finding the Fourth Proportional to 359,512.19, 496,137.21 and 198,377.62
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Solution
The fourth proportional to 359,512.19, 496,137.21 and 198,377.62 is: 273,766.84
Step by Step Solution
- Step 1: Write the proportion equation
359,512.19 : 496,137.21 = 198,377.62 : x - Step 2: Convert to fraction form
359,512.19/496,137.21 = 198,377.62/x - Step 3: Cross multiply
359,512.19x = 496,137.21 × 198,377.62 - Step 4: Simplify right side
359,512.19x = 98,422,516,928.98 - Step 5: Solve for x
x = 98,422,516,928.98/359,512.19 - Step 6: Final answer
x = 273,766.84
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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.