Finding the Fourth Proportional to 110,531.78, 165,748.12 and 40,361.75
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Solution
The fourth proportional to 110,531.78, 165,748.12 and 40,361.75 is: 60,524.53
Step by Step Solution
- Step 1: Write the proportion equation
110,531.78 : 165,748.12 = 40,361.75 : x - Step 2: Convert to fraction form
110,531.78/165,748.12 = 40,361.75/x - Step 3: Cross multiply
110,531.78x = 165,748.12 × 40,361.75 - Step 4: Simplify right side
110,531.78x = 6,689,884,182.41 - Step 5: Solve for x
x = 6,689,884,182.41/110,531.78 - Step 6: Final answer
x = 60,524.53
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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.