Finding the Fourth Proportional to 347,351.26, 520,754.73 and 137,146.54
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Solution
The fourth proportional to 347,351.26, 520,754.73 and 137,146.54 is: 205,612.35
Step by Step Solution
- Step 1: Write the proportion equation
347,351.26 : 520,754.73 = 137,146.54 : x - Step 2: Convert to fraction form
347,351.26/520,754.73 = 137,146.54/x - Step 3: Cross multiply
347,351.26x = 520,754.73 × 137,146.54 - Step 4: Simplify right side
347,351.26x = 71,419,709,408.13 - Step 5: Solve for x
x = 71,419,709,408.13/347,351.26 - Step 6: Final answer
x = 205,612.35
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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.