Finding the Fourth Proportional to 288,671.68, 398,385.60 and 161,352.64
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Solution
The fourth proportional to 288,671.68, 398,385.60 and 161,352.64 is: 222,677.09
Step by Step Solution
- Step 1: Write the proportion equation
288,671.68 : 398,385.60 = 161,352.64 : x - Step 2: Convert to fraction form
288,671.68/398,385.60 = 161,352.64/x - Step 3: Cross multiply
288,671.68x = 398,385.60 × 161,352.64 - Step 4: Simplify right side
288,671.68x = 64,280,568,297.98 - Step 5: Solve for x
x = 64,280,568,297.98/288,671.68 - Step 6: Final answer
x = 222,677.09
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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.