Finding the Fourth Proportional to 182,721.12, 252,197.28 and 118,947.84
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Solution
The fourth proportional to 182,721.12, 252,197.28 and 118,947.84 is: 164,175.45
Step by Step Solution
- Step 1: Write the proportion equation
182,721.12 : 252,197.28 = 118,947.84 : x - Step 2: Convert to fraction form
182,721.12/252,197.28 = 118,947.84/x - Step 3: Cross multiply
182,721.12x = 252,197.28 × 118,947.84 - Step 4: Simplify right side
182,721.12x = 29,998,321,709.88 - Step 5: Solve for x
x = 29,998,321,709.88/182,721.12 - Step 6: Final answer
x = 164,175.45
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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.