Finding the Fourth Proportional to 413,182.08, 619,845.84 and 213,446.88
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Solution
The fourth proportional to 413,182.08, 619,845.84 and 213,446.88 is: 320,207.89
Step by Step Solution
- Step 1: Write the proportion equation
413,182.08 : 619,845.84 = 213,446.88 : x - Step 2: Convert to fraction form
413,182.08/619,845.84 = 213,446.88/x - Step 3: Cross multiply
413,182.08x = 619,845.84 × 213,446.88 - Step 4: Simplify right side
413,182.08x = 132,304,160,628.98 - Step 5: Solve for x
x = 132,304,160,628.98/413,182.08 - Step 6: Final answer
x = 320,207.89
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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.