Finding the Fourth Proportional to 317,553.21, 438,234.71 and 174,324.15
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Solution
The fourth proportional to 317,553.21, 438,234.71 and 174,324.15 is: 240,573.52
Step by Step Solution
- Step 1: Write the proportion equation
317,553.21 : 438,234.71 = 174,324.15 : x - Step 2: Convert to fraction form
317,553.21/438,234.71 = 174,324.15/x - Step 3: Cross multiply
317,553.21x = 438,234.71 × 174,324.15 - Step 4: Simplify right side
317,553.21x = 76,394,892,449.63 - Step 5: Solve for x
x = 76,394,892,449.63/317,553.21 - Step 6: Final answer
x = 240,573.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.