Finding the Fourth Proportional to 639,596.26, 959,306.85 and 190,386.46
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Solution
The fourth proportional to 639,596.26, 959,306.85 and 190,386.46 is: 285,553.63
Step by Step Solution
- Step 1: Write the proportion equation
639,596.26 : 959,306.85 = 190,386.46 : x - Step 2: Convert to fraction form
639,596.26/959,306.85 = 190,386.46/x - Step 3: Cross multiply
639,596.26x = 959,306.85 × 190,386.46 - Step 4: Simplify right side
639,596.26x = 182,639,035,225.25 - Step 5: Solve for x
x = 182,639,035,225.25/639,596.26 - Step 6: Final answer
x = 285,553.63
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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.