Finding the Fourth Proportional to 174,643.22, 261,745.76 and 74,686.08
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Solution
The fourth proportional to 174,643.22, 261,745.76 and 74,686.08 is: 111,935.43
Step by Step Solution
- Step 1: Write the proportion equation
174,643.22 : 261,745.76 = 74,686.08 : x - Step 2: Convert to fraction form
174,643.22/261,745.76 = 74,686.08/x - Step 3: Cross multiply
174,643.22x = 261,745.76 × 74,686.08 - Step 4: Simplify right side
174,643.22x = 19,548,764,771.02 - Step 5: Solve for x
x = 19,548,764,771.02/174,643.22 - Step 6: Final answer
x = 111,935.43
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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.