Finding the Fourth Proportional to 400,853.92, 552,912.58 and 257,794.96
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Solution
The fourth proportional to 400,853.92, 552,912.58 and 257,794.96 is: 355,586.09
Step by Step Solution
- Step 1: Write the proportion equation
400,853.92 : 552,912.58 = 257,794.96 : x - Step 2: Convert to fraction form
400,853.92/552,912.58 = 257,794.96/x - Step 3: Cross multiply
400,853.92x = 552,912.58 × 257,794.96 - Step 4: Simplify right side
400,853.92x = 142,538,076,444.60 - Step 5: Solve for x
x = 142,538,076,444.60/400,853.92 - Step 6: Final answer
x = 355,586.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.