Finding the Fourth Proportional to 237,602.54, 327,888.77 and 128,704.79
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Solution
The fourth proportional to 237,602.54, 327,888.77 and 128,704.79 is: 177,611.12
Step by Step Solution
- Step 1: Write the proportion equation
237,602.54 : 327,888.77 = 128,704.79 : x - Step 2: Convert to fraction form
237,602.54/327,888.77 = 128,704.79/x - Step 3: Cross multiply
237,602.54x = 327,888.77 × 128,704.79 - Step 4: Simplify right side
237,602.54x = 42,200,853,003.24 - Step 5: Solve for x
x = 42,200,853,003.24/237,602.54 - Step 6: Final answer
x = 177,611.12
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1.5x scale
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.