Finding the Fourth Proportional to 203,438.44, 305,071.26 and 109,919.08
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Solution
The fourth proportional to 203,438.44, 305,071.26 and 109,919.08 is: 164,831.94
Step by Step Solution
- Step 1: Write the proportion equation
203,438.44 : 305,071.26 = 109,919.08 : x - Step 2: Convert to fraction form
203,438.44/305,071.26 = 109,919.08/x - Step 3: Cross multiply
203,438.44x = 305,071.26 × 109,919.08 - Step 4: Simplify right side
203,438.44x = 33,533,152,233.64 - Step 5: Solve for x
x = 33,533,152,233.64/203,438.44 - Step 6: Final answer
x = 164,831.94
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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.