Finding the Fourth Proportional to 400,198.08, 600,207.84 and 119,678.88
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Solution
The fourth proportional to 400,198.08, 600,207.84 and 119,678.88 is: 179,491.62
Step by Step Solution
- Step 1: Write the proportion equation
400,198.08 : 600,207.84 = 119,678.88 : x - Step 2: Convert to fraction form
400,198.08/600,207.84 = 119,678.88/x - Step 3: Cross multiply
400,198.08x = 600,207.84 × 119,678.88 - Step 4: Simplify right side
400,198.08x = 71,832,202,058.42 - Step 5: Solve for x
x = 71,832,202,058.42/400,198.08 - Step 6: Final answer
x = 179,491.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.