Finding the Fourth Proportional to 461,100.99, 690,212.19 and 339,658.44
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Solution
The fourth proportional to 461,100.99, 690,212.19 and 339,658.44 is: 508,427.44
Step by Step Solution
- Step 1: Write the proportion equation
461,100.99 : 690,212.19 = 339,658.44 : x - Step 2: Convert to fraction form
461,100.99/690,212.19 = 339,658.44/x - Step 3: Cross multiply
461,100.99x = 690,212.19 × 339,658.44 - Step 4: Simplify right side
461,100.99x = 234,436,395,724.38 - Step 5: Solve for x
x = 234,436,395,724.38/461,100.99 - Step 6: Final answer
x = 508,427.44
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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.