Finding the Fourth Proportional to 382,158.20, 573,237.30 and 115,905.80
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Solution
The fourth proportional to 382,158.20, 573,237.30 and 115,905.80 is: 173,858.70
Step by Step Solution
- Step 1: Write the proportion equation
382,158.20 : 573,237.30 = 115,905.80 : x - Step 2: Convert to fraction form
382,158.20/573,237.30 = 115,905.80/x - Step 3: Cross multiply
382,158.20x = 573,237.30 × 115,905.80 - Step 4: Simplify right side
382,158.20x = 66,441,527,846.34 - Step 5: Solve for x
x = 66,441,527,846.34/382,158.20 - Step 6: Final answer
x = 173,858.70
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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.