Finding the Fourth Proportional to 518,974.24, 777,992.88 and 186,472.48
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Solution
The fourth proportional to 518,974.24, 777,992.88 and 186,472.48 is: 279,540.39
Step by Step Solution
- Step 1: Write the proportion equation
518,974.24 : 777,992.88 = 186,472.48 : x - Step 2: Convert to fraction form
518,974.24/777,992.88 = 186,472.48/x - Step 3: Cross multiply
518,974.24x = 777,992.88 × 186,472.48 - Step 4: Simplify right side
518,974.24x = 145,074,261,755.94 - Step 5: Solve for x
x = 145,074,261,755.94/518,974.24 - Step 6: Final answer
x = 279,540.39
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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.