Finding the Fourth Proportional to 208,735.41, 288,054.97 and 113,242.08
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Solution
The fourth proportional to 208,735.41, 288,054.97 and 113,242.08 is: 156,274.12
Step by Step Solution
- Step 1: Write the proportion equation
208,735.41 : 288,054.97 = 113,242.08 : x - Step 2: Convert to fraction form
208,735.41/288,054.97 = 113,242.08/x - Step 3: Cross multiply
208,735.41x = 288,054.97 × 113,242.08 - Step 4: Simplify right side
208,735.41x = 32,619,943,133.93 - Step 5: Solve for x
x = 32,619,943,133.93/208,735.41 - Step 6: Final answer
x = 156,274.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.