Finding the Fourth Proportional to 494,557.70, 682,490.00 and 268,203.20
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Solution
The fourth proportional to 494,557.70, 682,490.00 and 268,203.20 is: 370,120.62
Step by Step Solution
- Step 1: Write the proportion equation
494,557.70 : 682,490.00 = 268,203.20 : x - Step 2: Convert to fraction form
494,557.70/682,490.00 = 268,203.20/x - Step 3: Cross multiply
494,557.70x = 682,490.00 × 268,203.20 - Step 4: Simplify right side
494,557.70x = 183,045,999,226.06 - Step 5: Solve for x
x = 183,045,999,226.06/494,557.70 - Step 6: Final answer
x = 370,120.62
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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.