Finding the Fourth Proportional to 288,352.08, 397,921.68 and 161,029.44
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Solution
The fourth proportional to 288,352.08, 397,921.68 and 161,029.44 is: 222,218.29
Step by Step Solution
- Step 1: Write the proportion equation
288,352.08 : 397,921.68 = 161,029.44 : x - Step 2: Convert to fraction form
288,352.08/397,921.68 = 161,029.44/x - Step 3: Cross multiply
288,352.08x = 397,921.68 × 161,029.44 - Step 4: Simplify right side
288,352.08x = 64,077,105,294.26 - Step 5: Solve for x
x = 64,077,105,294.26/288,352.08 - Step 6: Final answer
x = 222,218.29
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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.