Finding the Fourth Proportional to 413,328.26, 619,414.97 and 223,379.12
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Solution
The fourth proportional to 413,328.26, 619,414.97 and 223,379.12 is: 334,756.62
Step by Step Solution
- Step 1: Write the proportion equation
413,328.26 : 619,414.97 = 223,379.12 : x - Step 2: Convert to fraction form
413,328.26/619,414.97 = 223,379.12/x - Step 3: Cross multiply
413,328.26x = 619,414.97 × 223,379.12 - Step 4: Simplify right side
413,328.26x = 138,364,371,345.07 - Step 5: Solve for x
x = 138,364,371,345.07/413,328.26 - Step 6: Final answer
x = 334,756.62
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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.