Finding the Fourth Proportional to 288,676.62, 398,357.64 and 159,607.62
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Solution
The fourth proportional to 288,676.62, 398,357.64 and 159,607.62 is: 220,249.62
Step by Step Solution
- Step 1: Write the proportion equation
288,676.62 : 398,357.64 = 159,607.62 : x - Step 2: Convert to fraction form
288,676.62/398,357.64 = 159,607.62/x - Step 3: Cross multiply
288,676.62x = 398,357.64 × 159,607.62 - Step 4: Simplify right side
288,676.62x = 63,580,914,829.22 - Step 5: Solve for x
x = 63,580,914,829.22/288,676.62 - Step 6: Final answer
x = 220,249.62
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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.