Finding the Fourth Proportional to 494,463.99, 682,364.40 and 268,109.49
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Solution
The fourth proportional to 494,463.99, 682,364.40 and 268,109.49 is: 369,993.32
Step by Step Solution
- Step 1: Write the proportion equation
494,463.99 : 682,364.40 = 268,109.49 : x - Step 2: Convert to fraction form
494,463.99/682,364.40 = 268,109.49/x - Step 3: Cross multiply
494,463.99x = 682,364.40 × 268,109.49 - Step 4: Simplify right side
494,463.99x = 182,948,371,278.16 - Step 5: Solve for x
x = 182,948,371,278.16/494,463.99 - Step 6: Final answer
x = 369,993.32
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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.