Finding the Fourth Proportional to 180,754.25, 271,129.84 and 54,393.84
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Solution
The fourth proportional to 180,754.25, 271,129.84 and 54,393.84 is: 81,590.30
Step by Step Solution
- Step 1: Write the proportion equation
180,754.25 : 271,129.84 = 54,393.84 : x - Step 2: Convert to fraction form
180,754.25/271,129.84 = 54,393.84/x - Step 3: Cross multiply
180,754.25x = 271,129.84 × 54,393.84 - Step 4: Simplify right side
180,754.25x = 14,747,793,000.20 - Step 5: Solve for x
x = 14,747,793,000.20/180,754.25 - Step 6: Final answer
x = 81,590.30
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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.