Finding the Fourth Proportional to 263,531.21, 395,154.63 and 136,858.95
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Solution
The fourth proportional to 263,531.21, 395,154.63 and 136,858.95 is: 205,214.59
Step by Step Solution
- Step 1: Write the proportion equation
263,531.21 : 395,154.63 = 136,858.95 : x - Step 2: Convert to fraction form
263,531.21/395,154.63 = 136,858.95/x - Step 3: Cross multiply
263,531.21x = 395,154.63 × 136,858.95 - Step 4: Simplify right side
263,531.21x = 54,080,447,749.44 - Step 5: Solve for x
x = 54,080,447,749.44/263,531.21 - Step 6: Final answer
x = 205,214.59
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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.