Finding the Fourth Proportional to 494,980.23, 683,082.95 and 280,120.26
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Solution
The fourth proportional to 494,980.23, 683,082.95 and 280,120.26 is: 386,571.75
Step by Step Solution
- Step 1: Write the proportion equation
494,980.23 : 683,082.95 = 280,120.26 : x - Step 2: Convert to fraction form
494,980.23/683,082.95 = 280,120.26/x - Step 3: Cross multiply
494,980.23x = 683,082.95 × 280,120.26 - Step 4: Simplify right side
494,980.23x = 191,345,372,154.97 - Step 5: Solve for x
x = 191,345,372,154.97/494,980.23 - Step 6: Final answer
x = 386,571.75
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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.