Finding the Fourth Proportional to 449,679.84, 620,558.28 and 248,475.84
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Solution
The fourth proportional to 449,679.84, 620,558.28 and 248,475.84 is: 342,896.71
Step by Step Solution
- Step 1: Write the proportion equation
449,679.84 : 620,558.28 = 248,475.84 : x - Step 2: Convert to fraction form
449,679.84/620,558.28 = 248,475.84/x - Step 3: Cross multiply
449,679.84x = 620,558.28 × 248,475.84 - Step 4: Simplify right side
449,679.84x = 154,193,739,891.96 - Step 5: Solve for x
x = 154,193,739,891.96/449,679.84 - Step 6: Final answer
x = 342,896.71
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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.