Finding the Fourth Proportional to 276,619.80, 414,929.70 and 272,472.60
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Solution
The fourth proportional to 276,619.80, 414,929.70 and 272,472.60 is: 408,708.90
Step by Step Solution
- Step 1: Write the proportion equation
276,619.80 : 414,929.70 = 272,472.60 : x - Step 2: Convert to fraction form
276,619.80/414,929.70 = 272,472.60/x - Step 3: Cross multiply
276,619.80x = 414,929.70 × 272,472.60 - Step 4: Simplify right side
276,619.80x = 113,056,974,176.22 - Step 5: Solve for x
x = 113,056,974,176.22/276,619.80 - Step 6: Final answer
x = 408,708.90
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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.