Finding the Fourth Proportional to 289,133.40, 433,262.70 and 244,518.60
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Solution
The fourth proportional to 289,133.40, 433,262.70 and 244,518.60 is: 366,407.99
Step by Step Solution
- Step 1: Write the proportion equation
289,133.40 : 433,262.70 = 244,518.60 : x - Step 2: Convert to fraction form
289,133.40/433,262.70 = 244,518.60/x - Step 3: Cross multiply
289,133.40x = 433,262.70 × 244,518.60 - Step 4: Simplify right side
289,133.40x = 105,940,788,836.22 - Step 5: Solve for x
x = 105,940,788,836.22/289,133.40 - Step 6: Final answer
x = 366,407.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.