Finding the Fourth Proportional to 288,854.24, 398,621.86 and 161,536.82
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Solution
The fourth proportional to 288,854.24, 398,621.86 and 161,536.82 is: 222,922.49
Step by Step Solution
- Step 1: Write the proportion equation
288,854.24 : 398,621.86 = 161,536.82 : x - Step 2: Convert to fraction form
288,854.24/398,621.86 = 161,536.82/x - Step 3: Cross multiply
288,854.24x = 398,621.86 × 161,536.82 - Step 4: Simplify right side
288,854.24x = 64,392,105,249.93 - Step 5: Solve for x
x = 64,392,105,249.93/288,854.24 - Step 6: Final answer
x = 222,922.49
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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.