Finding the Fourth Proportional to 263,273.21, 362,939.14 and 187,690.49
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Solution
The fourth proportional to 263,273.21, 362,939.14 and 187,690.49 is: 258,743.47
Step by Step Solution
- Step 1: Write the proportion equation
263,273.21 : 362,939.14 = 187,690.49 : x - Step 2: Convert to fraction form
263,273.21/362,939.14 = 187,690.49/x - Step 3: Cross multiply
263,273.21x = 362,939.14 × 187,690.49 - Step 4: Simplify right side
263,273.21x = 68,120,225,026.78 - Step 5: Solve for x
x = 68,120,225,026.78/263,273.21 - Step 6: Final answer
x = 258,743.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.