Finding the Fourth Proportional to 237,328.38, 327,499.29 and 129,900.42
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Solution
The fourth proportional to 237,328.38, 327,499.29 and 129,900.42 is: 179,254.99
Step by Step Solution
- Step 1: Write the proportion equation
237,328.38 : 327,499.29 = 129,900.42 : x - Step 2: Convert to fraction form
237,328.38/327,499.29 = 129,900.42/x - Step 3: Cross multiply
237,328.38x = 327,499.29 × 129,900.42 - Step 4: Simplify right side
237,328.38x = 42,542,295,320.70 - Step 5: Solve for x
x = 42,542,295,320.70/237,328.38 - Step 6: Final answer
x = 179,254.99
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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.