Finding the Fourth Proportional to 237,382.19, 327,586.87 and 129,951.28
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Solution
The fourth proportional to 237,382.19, 327,586.87 and 129,951.28 is: 179,332.46
Step by Step Solution
- Step 1: Write the proportion equation
237,382.19 : 327,586.87 = 129,951.28 : x - Step 2: Convert to fraction form
237,382.19/327,586.87 = 129,951.28/x - Step 3: Cross multiply
237,382.19x = 327,586.87 × 129,951.28 - Step 4: Simplify right side
237,382.19x = 42,570,332,535.53 - Step 5: Solve for x
x = 42,570,332,535.53/237,382.19 - Step 6: Final answer
x = 179,332.46
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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.