Finding the Fourth Proportional to 757,725.21, 1,136,774.91 and 225,243.96
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Solution
The fourth proportional to 757,725.21, 1,136,774.91 and 225,243.96 is: 337,921.56
Step by Step Solution
- Step 1: Write the proportion equation
757,725.21 : 1,136,774.91 = 225,243.96 : x - Step 2: Convert to fraction form
757,725.21/1,136,774.91 = 225,243.96/x - Step 3: Cross multiply
757,725.21x = 1,136,774.91 × 225,243.96 - Step 4: Simplify right side
757,725.21x = 256,051,682,357.04 - Step 5: Solve for x
x = 256,051,682,357.04/757,725.21 - Step 6: Final answer
x = 337,921.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.