Finding the Fourth Proportional to 276,701.20, 415,246.20 and 119,042.80
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Solution
The fourth proportional to 276,701.20, 415,246.20 and 119,042.80 is: 178,647.84
Step by Step Solution
- Step 1: Write the proportion equation
276,701.20 : 415,246.20 = 119,042.80 : x - Step 2: Convert to fraction form
276,701.20/415,246.20 = 119,042.80/x - Step 3: Cross multiply
276,701.20x = 415,246.20 × 119,042.80 - Step 4: Simplify right side
276,701.20x = 49,432,070,337.36 - Step 5: Solve for x
x = 49,432,070,337.36/276,701.20 - Step 6: Final answer
x = 178,647.84
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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.