Finding the Fourth Proportional to 253,916.40, 350,245.44 and 163,390.08
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Solution
The fourth proportional to 253,916.40, 350,245.44 and 163,390.08 is: 225,375.87
Step by Step Solution
- Step 1: Write the proportion equation
253,916.40 : 350,245.44 = 163,390.08 : x - Step 2: Convert to fraction form
253,916.40/350,245.44 = 163,390.08/x - Step 3: Cross multiply
253,916.40x = 350,245.44 × 163,390.08 - Step 4: Simplify right side
253,916.40x = 57,226,630,461.24 - Step 5: Solve for x
x = 57,226,630,461.24/253,916.40 - Step 6: Final answer
x = 225,375.87
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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.