Finding the Fourth Proportional to 278,240.28, 416,427.30 and 228,318.36
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Solution
The fourth proportional to 278,240.28, 416,427.30 and 228,318.36 is: 341,711.84
Step by Step Solution
- Step 1: Write the proportion equation
278,240.28 : 416,427.30 = 228,318.36 : x - Step 2: Convert to fraction form
278,240.28/416,427.30 = 228,318.36/x - Step 3: Cross multiply
278,240.28x = 416,427.30 × 228,318.36 - Step 4: Simplify right side
278,240.28x = 95,077,998,195.23 - Step 5: Solve for x
x = 95,077,998,195.23/278,240.28 - Step 6: Final answer
x = 341,711.84
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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.