Finding the Fourth Proportional to 276,679.10, 414,690.60 and 248,466.80
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Solution
The fourth proportional to 276,679.10, 414,690.60 and 248,466.80 is: 372,405.60
Step by Step Solution
- Step 1: Write the proportion equation
276,679.10 : 414,690.60 = 248,466.80 : x - Step 2: Convert to fraction form
276,679.10/414,690.60 = 248,466.80/x - Step 3: Cross multiply
276,679.10x = 414,690.60 × 248,466.80 - Step 4: Simplify right side
276,679.10x = 103,036,846,372.08 - Step 5: Solve for x
x = 103,036,846,372.08/276,679.10 - Step 6: Final answer
x = 372,405.60
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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.