Finding the Fourth Proportional to 276,220.63, 414,339.86 and 76,542.94
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Solution
The fourth proportional to 276,220.63, 414,339.86 and 76,542.94 is: 114,816.88
Step by Step Solution
- Step 1: Write the proportion equation
276,220.63 : 414,339.86 = 76,542.94 : x - Step 2: Convert to fraction form
276,220.63/414,339.86 = 76,542.94/x - Step 3: Cross multiply
276,220.63x = 414,339.86 × 76,542.94 - Step 4: Simplify right side
276,220.63x = 31,714,791,676.96 - Step 5: Solve for x
x = 31,714,791,676.96/276,220.63 - Step 6: Final answer
x = 114,816.88
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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.