Finding the Fourth Proportional to 269,253.75, 403,880.63 and 72,261.75
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Solution
The fourth proportional to 269,253.75, 403,880.63 and 72,261.75 is: 108,392.63
Step by Step Solution
- Step 1: Write the proportion equation
269,253.75 : 403,880.63 = 72,261.75 : x - Step 2: Convert to fraction form
269,253.75/403,880.63 = 72,261.75/x - Step 3: Cross multiply
269,253.75x = 403,880.63 × 72,261.75 - Step 4: Simplify right side
269,253.75x = 29,185,121,114.90 - Step 5: Solve for x
x = 29,185,121,114.90/269,253.75 - Step 6: Final answer
x = 108,392.63
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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.