Finding the Fourth Proportional to 276,951.20, 415,426.80 and 227,743.70
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Solution
The fourth proportional to 276,951.20, 415,426.80 and 227,743.70 is: 341,615.55
Step by Step Solution
- Step 1: Write the proportion equation
276,951.20 : 415,426.80 = 227,743.70 : x - Step 2: Convert to fraction form
276,951.20/415,426.80 = 227,743.70/x - Step 3: Cross multiply
276,951.20x = 415,426.80 × 227,743.70 - Step 4: Simplify right side
276,951.20x = 94,610,836,511.16 - Step 5: Solve for x
x = 94,610,836,511.16/276,951.20 - Step 6: Final answer
x = 341,615.55
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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.