Finding the Fourth Proportional to 336,135.28, 463,956.24 and 198,435.28
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Solution
The fourth proportional to 336,135.28, 463,956.24 and 198,435.28 is: 273,893.55
Step by Step Solution
- Step 1: Write the proportion equation
336,135.28 : 463,956.24 = 198,435.28 : x - Step 2: Convert to fraction form
336,135.28/463,956.24 = 198,435.28/x - Step 3: Cross multiply
336,135.28x = 463,956.24 × 198,435.28 - Step 4: Simplify right side
336,135.28x = 92,065,286,392.15 - Step 5: Solve for x
x = 92,065,286,392.15/336,135.28 - Step 6: Final answer
x = 273,893.55
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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.