Finding the Fourth Proportional to 276,424.91, 414,591.12 and 76,765.48
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Solution
The fourth proportional to 276,424.91, 414,591.12 and 76,765.48 is: 115,135.37
Step by Step Solution
- Step 1: Write the proportion equation
276,424.91 : 414,591.12 = 76,765.48 : x - Step 2: Convert to fraction form
276,424.91/414,591.12 = 76,765.48/x - Step 3: Cross multiply
276,424.91x = 414,591.12 × 76,765.48 - Step 4: Simplify right side
276,424.91x = 31,826,285,294.06 - Step 5: Solve for x
x = 31,826,285,294.06/276,424.91 - Step 6: Final answer
x = 115,135.37
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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.