Finding the Fourth Proportional to 193,791.80, 290,687.70 and 183,423.80
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Solution
The fourth proportional to 193,791.80, 290,687.70 and 183,423.80 is: 275,135.70
Step by Step Solution
- Step 1: Write the proportion equation
193,791.80 : 290,687.70 = 183,423.80 : x - Step 2: Convert to fraction form
193,791.80/290,687.70 = 183,423.80/x - Step 3: Cross multiply
193,791.80x = 290,687.70 × 183,423.80 - Step 4: Simplify right side
193,791.80x = 53,319,042,547.26 - Step 5: Solve for x
x = 53,319,042,547.26/193,791.80 - Step 6: Final answer
x = 275,135.70
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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.