Finding the Fourth Proportional to 181,552.20, 272,330.28 and 55,212.99
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Solution
The fourth proportional to 181,552.20, 272,330.28 and 55,212.99 is: 82,820.09
Step by Step Solution
- Step 1: Write the proportion equation
181,552.20 : 272,330.28 = 55,212.99 : x - Step 2: Convert to fraction form
181,552.20/272,330.28 = 55,212.99/x - Step 3: Cross multiply
181,552.20x = 272,330.28 × 55,212.99 - Step 4: Simplify right side
181,552.20x = 15,036,169,026.34 - Step 5: Solve for x
x = 15,036,169,026.34/181,552.20 - Step 6: Final answer
x = 82,820.09
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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.