Finding the Fourth Proportional to 157,644.60, 236,375.88 and 107,785.08
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Solution
The fourth proportional to 157,644.60, 236,375.88 and 107,785.08 is: 161,615.39
Step by Step Solution
- Step 1: Write the proportion equation
157,644.60 : 236,375.88 = 107,785.08 : x - Step 2: Convert to fraction form
157,644.60/236,375.88 = 107,785.08/x - Step 3: Cross multiply
157,644.60x = 236,375.88 × 107,785.08 - Step 4: Simplify right side
157,644.60x = 25,477,793,135.87 - Step 5: Solve for x
x = 25,477,793,135.87/157,644.60 - Step 6: Final answer
x = 161,615.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.