Finding the Fourth Proportional to 178,696.60, 246,245.88 and 127,565.08
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Solution
The fourth proportional to 178,696.60, 246,245.88 and 127,565.08 is: 175,786.08
Step by Step Solution
- Step 1: Write the proportion equation
178,696.60 : 246,245.88 = 127,565.08 : x - Step 2: Convert to fraction form
178,696.60/246,245.88 = 127,565.08/x - Step 3: Cross multiply
178,696.60x = 246,245.88 × 127,565.08 - Step 4: Simplify right side
178,696.60x = 31,412,375,381.87 - Step 5: Solve for x
x = 31,412,375,381.87/178,696.60 - Step 6: Final answer
x = 175,786.08
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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.