Finding the Fourth Proportional to 490,219.44, 676,485.36 and 299,551.92
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Solution
The fourth proportional to 490,219.44, 676,485.36 and 299,551.92 is: 413,370.98
Step by Step Solution
- Step 1: Write the proportion equation
490,219.44 : 676,485.36 = 299,551.92 : x - Step 2: Convert to fraction form
490,219.44/676,485.36 = 299,551.92/x - Step 3: Cross multiply
490,219.44x = 676,485.36 × 299,551.92 - Step 4: Simplify right side
490,219.44x = 202,642,488,439.89 - Step 5: Solve for x
x = 202,642,488,439.89/490,219.44 - Step 6: Final answer
x = 413,370.98
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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.