Finding the Fourth Proportional to 397,001.97, 595,168.09 and 172,193.07
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Solution
The fourth proportional to 397,001.97, 595,168.09 and 172,193.07 is: 258,144.36
Step by Step Solution
- Step 1: Write the proportion equation
397,001.97 : 595,168.09 = 172,193.07 : x - Step 2: Convert to fraction form
397,001.97/595,168.09 = 172,193.07/x - Step 3: Cross multiply
397,001.97x = 595,168.09 × 172,193.07 - Step 4: Simplify right side
397,001.97x = 102,483,818,089.24 - Step 5: Solve for x
x = 102,483,818,089.24/397,001.97 - Step 6: Final answer
x = 258,144.36
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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.