Finding the Fourth Proportional to 757,624.73, 1,136,409.40 and 225,131.92
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Solution
The fourth proportional to 757,624.73, 1,136,409.40 and 225,131.92 is: 337,689.65
Step by Step Solution
- Step 1: Write the proportion equation
757,624.73 : 1,136,409.40 = 225,131.92 : x - Step 2: Convert to fraction form
757,624.73/1,136,409.40 = 225,131.92/x - Step 3: Cross multiply
757,624.73x = 1,136,409.40 × 225,131.92 - Step 4: Simplify right side
757,624.73x = 255,842,030,128.05 - Step 5: Solve for x
x = 255,842,030,128.05/757,624.73 - Step 6: Final answer
x = 337,689.65
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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.