Finding the Fourth Proportional to 612,858.40, 919,287.84 and 192,167.08
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Solution
The fourth proportional to 612,858.40, 919,287.84 and 192,167.08 is: 288,250.70
Step by Step Solution
- Step 1: Write the proportion equation
612,858.40 : 919,287.84 = 192,167.08 : x - Step 2: Convert to fraction form
612,858.40/919,287.84 = 192,167.08/x - Step 3: Cross multiply
612,858.40x = 919,287.84 × 192,167.08 - Step 4: Simplify right side
612,858.40x = 176,656,859,892.31 - Step 5: Solve for x
x = 176,656,859,892.31/612,858.40 - Step 6: Final answer
x = 288,250.70
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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.