Finding the Fourth Proportional to 183,444.53, 253,046.20 and 115,353.70
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Solution
The fourth proportional to 183,444.53, 253,046.20 and 115,353.70 is: 159,120.66
Step by Step Solution
- Step 1: Write the proportion equation
183,444.53 : 253,046.20 = 115,353.70 : x - Step 2: Convert to fraction form
183,444.53/253,046.20 = 115,353.70/x - Step 3: Cross multiply
183,444.53x = 253,046.20 × 115,353.70 - Step 4: Simplify right side
183,444.53x = 29,189,814,519.94 - Step 5: Solve for x
x = 29,189,814,519.94/183,444.53 - Step 6: Final answer
x = 159,120.66
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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.