Finding the Fourth Proportional to 445,651.48, 668,901.74 and 276,660.44
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Solution
The fourth proportional to 445,651.48, 668,901.74 and 276,660.44 is: 415,254.20
Step by Step Solution
- Step 1: Write the proportion equation
445,651.48 : 668,901.74 = 276,660.44 : x - Step 2: Convert to fraction form
445,651.48/668,901.74 = 276,660.44/x - Step 3: Cross multiply
445,651.48x = 668,901.74 × 276,660.44 - Step 4: Simplify right side
445,651.48x = 185,058,649,705.17 - Step 5: Solve for x
x = 185,058,649,705.17/445,651.48 - Step 6: Final answer
x = 415,254.20
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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.