Finding the Fourth Proportional to 359,516.64, 496,135.68 and 198,377.68
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Solution
The fourth proportional to 359,516.64, 496,135.68 and 198,377.68 is: 273,762.70
Step by Step Solution
- Step 1: Write the proportion equation
359,516.64 : 496,135.68 = 198,377.68 : x - Step 2: Convert to fraction form
359,516.64/496,135.68 = 198,377.68/x - Step 3: Cross multiply
359,516.64x = 496,135.68 × 198,377.68 - Step 4: Simplify right side
359,516.64x = 98,422,245,163.62 - Step 5: Solve for x
x = 98,422,245,163.62/359,516.64 - Step 6: Final answer
x = 273,762.70
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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.