Finding the Fourth Proportional to 178,415.76, 246,084.84 and 151,515.84
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Solution
The fourth proportional to 178,415.76, 246,084.84 and 151,515.84 is: 208,982.39
Step by Step Solution
- Step 1: Write the proportion equation
178,415.76 : 246,084.84 = 151,515.84 : x - Step 2: Convert to fraction form
178,415.76/246,084.84 = 151,515.84/x - Step 3: Cross multiply
178,415.76x = 246,084.84 × 151,515.84 - Step 4: Simplify right side
178,415.76x = 37,285,751,243.87 - Step 5: Solve for x
x = 37,285,751,243.87/178,415.76 - Step 6: Final answer
x = 208,982.39
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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.