Finding the Fourth Proportional to 638,658.26, 958,061.50 and 212,232.14
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Solution
The fourth proportional to 638,658.26, 958,061.50 and 212,232.14 is: 318,372.84
Step by Step Solution
- Step 1: Write the proportion equation
638,658.26 : 958,061.50 = 212,232.14 : x - Step 2: Convert to fraction form
638,658.26/958,061.50 = 212,232.14/x - Step 3: Cross multiply
638,658.26x = 958,061.50 × 212,232.14 - Step 4: Simplify right side
638,658.26x = 203,331,441,862.26 - Step 5: Solve for x
x = 203,331,441,862.26/638,658.26 - Step 6: Final answer
x = 318,372.84
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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.