Finding the Fourth Proportional to 237,139.19, 327,245.15 and 129,706.92
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Solution
The fourth proportional to 237,139.19, 327,245.15 and 129,706.92 is: 178,991.75
Step by Step Solution
- Step 1: Write the proportion equation
237,139.19 : 327,245.15 = 129,706.92 : x - Step 2: Convert to fraction form
237,139.19/327,245.15 = 129,706.92/x - Step 3: Cross multiply
237,139.19x = 327,245.15 × 129,706.92 - Step 4: Simplify right side
237,139.19x = 42,445,958,206.68 - Step 5: Solve for x
x = 42,445,958,206.68/237,139.19 - Step 6: Final answer
x = 178,991.75
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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.