Finding the Fourth Proportional to 259,872.63, 389,808.96 and 62,880.63
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Solution
The fourth proportional to 259,872.63, 389,808.96 and 62,880.63 is: 94,320.95
Step by Step Solution
- Step 1: Write the proportion equation
259,872.63 : 389,808.96 = 62,880.63 : x - Step 2: Convert to fraction form
259,872.63/389,808.96 = 62,880.63/x - Step 3: Cross multiply
259,872.63x = 389,808.96 × 62,880.63 - Step 4: Simplify right side
259,872.63x = 24,511,432,984.44 - Step 5: Solve for x
x = 24,511,432,984.44/259,872.63 - Step 6: Final answer
x = 94,320.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.