Finding the Fourth Proportional to 276,657.10, 414,657.60 and 248,444.80
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Solution
The fourth proportional to 276,657.10, 414,657.60 and 248,444.80 is: 372,372.60
Step by Step Solution
- Step 1: Write the proportion equation
276,657.10 : 414,657.60 = 248,444.80 : x - Step 2: Convert to fraction form
276,657.10/414,657.60 = 248,444.80/x - Step 3: Cross multiply
276,657.10x = 414,657.60 × 248,444.80 - Step 4: Simplify right side
276,657.10x = 103,019,524,500.48 - Step 5: Solve for x
x = 103,019,524,500.48/276,657.10 - Step 6: Final answer
x = 372,372.60
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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.