Finding the Fourth Proportional to 178,257.36, 246,107.01 and 114,705.60
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Solution
The fourth proportional to 178,257.36, 246,107.01 and 114,705.60 is: 158,365.70
Step by Step Solution
- Step 1: Write the proportion equation
178,257.36 : 246,107.01 = 114,705.60 : x - Step 2: Convert to fraction form
178,257.36/246,107.01 = 114,705.60/x - Step 3: Cross multiply
178,257.36x = 246,107.01 × 114,705.60 - Step 4: Simplify right side
178,257.36x = 28,229,852,246.26 - Step 5: Solve for x
x = 28,229,852,246.26/178,257.36 - Step 6: Final answer
x = 158,365.70
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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.