Finding the Fourth Proportional to 463,014.75, 639,042.26 and 272,028.09
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Solution
The fourth proportional to 463,014.75, 639,042.26 and 272,028.09 is: 375,446.88
Step by Step Solution
- Step 1: Write the proportion equation
463,014.75 : 639,042.26 = 272,028.09 : x - Step 2: Convert to fraction form
463,014.75/639,042.26 = 272,028.09/x - Step 3: Cross multiply
463,014.75x = 639,042.26 × 272,028.09 - Step 4: Simplify right side
463,014.75x = 173,837,444,056.94 - Step 5: Solve for x
x = 173,837,444,056.94/463,014.75 - Step 6: Final answer
x = 375,446.88
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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.