Finding the Fourth Proportional to 237,140.16, 327,235.68 and 129,704.64
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Solution
The fourth proportional to 237,140.16, 327,235.68 and 129,704.64 is: 178,982.70
Step by Step Solution
- Step 1: Write the proportion equation
237,140.16 : 327,235.68 = 129,704.64 : x - Step 2: Convert to fraction form
237,140.16/327,235.68 = 129,704.64/x - Step 3: Cross multiply
237,140.16x = 327,235.68 × 129,704.64 - Step 4: Simplify right side
237,140.16x = 42,443,986,069.56 - Step 5: Solve for x
x = 42,443,986,069.56/237,140.16 - Step 6: Final answer
x = 178,982.70
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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.