Finding the Fourth Proportional to 638,745.27, 958,118.04 and 259,872.18
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Solution
The fourth proportional to 638,745.27, 958,118.04 and 259,872.18 is: 389,808.32
Step by Step Solution
- Step 1: Write the proportion equation
638,745.27 : 958,118.04 = 259,872.18 : x - Step 2: Convert to fraction form
638,745.27/958,118.04 = 259,872.18/x - Step 3: Cross multiply
638,745.27x = 958,118.04 × 259,872.18 - Step 4: Simplify right side
638,745.27x = 248,988,223,752.13 - Step 5: Solve for x
x = 248,988,223,752.13/638,745.27 - Step 6: Final answer
x = 389,808.32
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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.