Finding the Fourth Proportional to 110,344.66, 165,418.55 and 91,777.02
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Solution
The fourth proportional to 110,344.66, 165,418.55 and 91,777.02 is: 137,583.65
Step by Step Solution
- Step 1: Write the proportion equation
110,344.66 : 165,418.55 = 91,777.02 : x - Step 2: Convert to fraction form
110,344.66/165,418.55 = 91,777.02/x - Step 3: Cross multiply
110,344.66x = 165,418.55 × 91,777.02 - Step 4: Simplify right side
110,344.66x = 15,181,621,571.72 - Step 5: Solve for x
x = 15,181,621,571.72/110,344.66 - Step 6: Final answer
x = 137,583.65
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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.