Finding the Fourth Proportional to 434,036.14, 599,177.45 and 289,082.99
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Solution
The fourth proportional to 434,036.14, 599,177.45 and 289,082.99 is: 399,072.78
Step by Step Solution
- Step 1: Write the proportion equation
434,036.14 : 599,177.45 = 289,082.99 : x - Step 2: Convert to fraction form
434,036.14/599,177.45 = 289,082.99/x - Step 3: Cross multiply
434,036.14x = 599,177.45 × 289,082.99 - Step 4: Simplify right side
434,036.14x = 173,212,008,786.58 - Step 5: Solve for x
x = 173,212,008,786.58/434,036.14 - Step 6: Final answer
x = 399,072.78
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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.