Finding the Fourth Proportional to 289,110.09, 398,589.66 and 237,237.18
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Solution
The fourth proportional to 289,110.09, 398,589.66 and 237,237.18 is: 327,073.63
Step by Step Solution
- Step 1: Write the proportion equation
289,110.09 : 398,589.66 = 237,237.18 : x - Step 2: Convert to fraction form
289,110.09/398,589.66 = 237,237.18/x - Step 3: Cross multiply
289,110.09x = 398,589.66 × 237,237.18 - Step 4: Simplify right side
289,110.09x = 94,560,286,915.56 - Step 5: Solve for x
x = 94,560,286,915.56/289,110.09 - Step 6: Final answer
x = 327,073.63
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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.