Finding the Fourth Proportional to 377,195.99, 520,514.61 and 213,863.48
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Solution
The fourth proportional to 377,195.99, 520,514.61 and 213,863.48 is: 295,122.61
Step by Step Solution
- Step 1: Write the proportion equation
377,195.99 : 520,514.61 = 213,863.48 : x - Step 2: Convert to fraction form
377,195.99/520,514.61 = 213,863.48/x - Step 3: Cross multiply
377,195.99x = 520,514.61 × 213,863.48 - Step 4: Simplify right side
377,195.99x = 111,319,065,885.44 - Step 5: Solve for x
x = 111,319,065,885.44/377,195.99 - Step 6: Final answer
x = 295,122.61
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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.