Finding the Fourth Proportional to 164,961.18, 227,649.08 and 89,509.68
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Solution
The fourth proportional to 164,961.18, 227,649.08 and 89,509.68 is: 123,524.80
Step by Step Solution
- Step 1: Write the proportion equation
164,961.18 : 227,649.08 = 89,509.68 : x - Step 2: Convert to fraction form
164,961.18/227,649.08 = 89,509.68/x - Step 3: Cross multiply
164,961.18x = 227,649.08 × 89,509.68 - Step 4: Simplify right side
164,961.18x = 20,376,796,303.09 - Step 5: Solve for x
x = 20,376,796,303.09/164,961.18 - Step 6: Final answer
x = 123,524.80
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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.