Finding the Fourth Proportional to 263,272.21, 362,937.76 and 187,689.49
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Solution
The fourth proportional to 263,272.21, 362,937.76 and 187,689.49 is: 258,742.09
Step by Step Solution
- Step 1: Write the proportion equation
263,272.21 : 362,937.76 = 187,689.49 : x - Step 2: Convert to fraction form
263,272.21/362,937.76 = 187,689.49/x - Step 3: Cross multiply
263,272.21x = 362,937.76 × 187,689.49 - Step 4: Simplify right side
263,272.21x = 68,119,603,076.14 - Step 5: Solve for x
x = 68,119,603,076.14/263,272.21 - Step 6: Final answer
x = 258,742.09
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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.