Finding the Fourth Proportional to 237,160.12, 327,276.66 and 129,729.21
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Solution
The fourth proportional to 237,160.12, 327,276.66 and 129,729.21 is: 179,023.96
Step by Step Solution
- Step 1: Write the proportion equation
237,160.12 : 327,276.66 = 129,729.21 : x - Step 2: Convert to fraction form
237,160.12/327,276.66 = 129,729.21/x - Step 3: Cross multiply
237,160.12x = 327,276.66 × 129,729.21 - Step 4: Simplify right side
237,160.12x = 42,457,343,039.72 - Step 5: Solve for x
x = 42,457,343,039.72/237,160.12 - Step 6: Final answer
x = 179,023.96
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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.