Finding the Fourth Proportional to 178,319.10, 246,159.49 and 113,872.77
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Solution
The fourth proportional to 178,319.10, 246,159.49 and 113,872.77 is: 157,194.95
Step by Step Solution
- Step 1: Write the proportion equation
178,319.10 : 246,159.49 = 113,872.77 : x - Step 2: Convert to fraction form
178,319.10/246,159.49 = 113,872.77/x - Step 3: Cross multiply
178,319.10x = 246,159.49 × 113,872.77 - Step 4: Simplify right side
178,319.10x = 28,030,861,757.29 - Step 5: Solve for x
x = 28,030,861,757.29/178,319.10 - Step 6: Final answer
x = 157,194.95
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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.