Finding the Fourth Proportional to 237,161.12, 327,278.04 and 129,730.21
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Solution
The fourth proportional to 237,161.12, 327,278.04 and 129,730.21 is: 179,025.33
Step by Step Solution
- Step 1: Write the proportion equation
237,161.12 : 327,278.04 = 129,730.21 : x - Step 2: Convert to fraction form
237,161.12/327,278.04 = 129,730.21/x - Step 3: Cross multiply
237,161.12x = 327,278.04 × 129,730.21 - Step 4: Simplify right side
237,161.12x = 42,457,848,857.59 - Step 5: Solve for x
x = 42,457,848,857.59/237,161.12 - Step 6: Final answer
x = 179,025.33
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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.