Finding the Fourth Proportional to 411,046.20, 616,277.70 and 186,514.20
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Solution
The fourth proportional to 411,046.20, 616,277.70 and 186,514.20 is: 279,638.99
Step by Step Solution
- Step 1: Write the proportion equation
411,046.20 : 616,277.70 = 186,514.20 : x - Step 2: Convert to fraction form
411,046.20/616,277.70 = 186,514.20/x - Step 3: Cross multiply
411,046.20x = 616,277.70 × 186,514.20 - Step 4: Simplify right side
411,046.20x = 114,944,542,193.34 - Step 5: Solve for x
x = 114,944,542,193.34/411,046.20 - Step 6: Final answer
x = 279,638.99
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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.