Finding the Fourth Proportional to 237,332.45, 327,517.58 and 128,436.70
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Solution
The fourth proportional to 237,332.45, 327,517.58 and 128,436.70 is: 177,241.99
Step by Step Solution
- Step 1: Write the proportion equation
237,332.45 : 327,517.58 = 128,436.70 : x - Step 2: Convert to fraction form
237,332.45/327,517.58 = 128,436.70/x - Step 3: Cross multiply
237,332.45x = 327,517.58 × 128,436.70 - Step 4: Simplify right side
237,332.45x = 42,065,274,887.41 - Step 5: Solve for x
x = 42,065,274,887.41/237,332.45 - Step 6: Final answer
x = 177,241.99
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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.