Finding the Fourth Proportional to 490,252.29, 676,474.50 and 275,351.19
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Solution
The fourth proportional to 490,252.29, 676,474.50 and 275,351.19 is: 379,943.27
Step by Step Solution
- Step 1: Write the proportion equation
490,252.29 : 676,474.50 = 275,351.19 : x - Step 2: Convert to fraction form
490,252.29/676,474.50 = 275,351.19/x - Step 3: Cross multiply
490,252.29x = 676,474.50 × 275,351.19 - Step 4: Simplify right side
490,252.29x = 186,268,058,579.66 - Step 5: Solve for x
x = 186,268,058,579.66/490,252.29 - Step 6: Final answer
x = 379,943.27
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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.