Finding the Fourth Proportional to 382,364.91, 573,623.93 and 214,124.49
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Solution
The fourth proportional to 382,364.91, 573,623.93 and 214,124.49 is: 321,229.61
Step by Step Solution
- Step 1: Write the proportion equation
382,364.91 : 573,623.93 = 214,124.49 : x - Step 2: Convert to fraction form
382,364.91/573,623.93 = 214,124.49/x - Step 3: Cross multiply
382,364.91x = 573,623.93 × 214,124.49 - Step 4: Simplify right side
382,364.91x = 122,826,931,998.36 - Step 5: Solve for x
x = 122,826,931,998.36/382,364.91 - Step 6: Final answer
x = 321,229.61
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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.