Finding the Fourth Proportional to 276,660.80, 414,991.20 and 276,660.80
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Solution
The fourth proportional to 276,660.80, 414,991.20 and 276,660.80 is: 414,991.20
Step by Step Solution
- Step 1: Write the proportion equation
276,660.80 : 414,991.20 = 276,660.80 : x - Step 2: Convert to fraction form
276,660.80/414,991.20 = 276,660.80/x - Step 3: Cross multiply
276,660.80x = 414,991.20 × 276,660.80 - Step 4: Simplify right side
276,660.80x = 114,811,797,384.96 - Step 5: Solve for x
x = 114,811,797,384.96/276,660.80 - Step 6: Final answer
x = 414,991.20
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1.5x scale
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.