Finding the Fourth Proportional to 397,161.99, 595,408.14 and 172,353.08
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Solution
The fourth proportional to 397,161.99, 595,408.14 and 172,353.08 is: 258,384.31
Step by Step Solution
- Step 1: Write the proportion equation
397,161.99 : 595,408.14 = 172,353.08 : x - Step 2: Convert to fraction form
397,161.99/595,408.14 = 172,353.08/x - Step 3: Cross multiply
397,161.99x = 595,408.14 × 172,353.08 - Step 4: Simplify right side
397,161.99x = 102,620,428,274.59 - Step 5: Solve for x
x = 102,620,428,274.59/397,161.99 - Step 6: Final answer
x = 258,384.31
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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.