Finding the Fourth Proportional to 110,657.80, 165,986.70 and 27,551.80
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Solution
The fourth proportional to 110,657.80, 165,986.70 and 27,551.80 is: 41,327.70
Step by Step Solution
- Step 1: Write the proportion equation
110,657.80 : 165,986.70 = 27,551.80 : x - Step 2: Convert to fraction form
110,657.80/165,986.70 = 27,551.80/x - Step 3: Cross multiply
110,657.80x = 165,986.70 × 27,551.80 - Step 4: Simplify right side
110,657.80x = 4,573,232,361.06 - Step 5: Solve for x
x = 4,573,232,361.06/110,657.80 - Step 6: Final answer
x = 41,327.70
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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.