Finding the Fourth Proportional to 276,076.20, 414,114.30 and 247,207.80
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Solution
The fourth proportional to 276,076.20, 414,114.30 and 247,207.80 is: 370,811.70
Step by Step Solution
- Step 1: Write the proportion equation
276,076.20 : 414,114.30 = 247,207.80 : x - Step 2: Convert to fraction form
276,076.20/414,114.30 = 247,207.80/x - Step 3: Cross multiply
276,076.20x = 414,114.30 × 247,207.80 - Step 4: Simplify right side
276,076.20x = 102,372,285,051.54 - Step 5: Solve for x
x = 102,372,285,051.54/276,076.20 - Step 6: Final answer
x = 370,811.70
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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.