Finding the Fourth Proportional to 157,682.40, 236,523.60 and 134,062.80
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Solution
The fourth proportional to 157,682.40, 236,523.60 and 134,062.80 is: 201,094.20
Step by Step Solution
- Step 1: Write the proportion equation
157,682.40 : 236,523.60 = 134,062.80 : x - Step 2: Convert to fraction form
157,682.40/236,523.60 = 134,062.80/x - Step 3: Cross multiply
157,682.40x = 236,523.60 × 134,062.80 - Step 4: Simplify right side
157,682.40x = 31,709,016,082.08 - Step 5: Solve for x
x = 31,709,016,082.08/157,682.40 - Step 6: Final answer
x = 201,094.20
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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.