Finding the Fourth Proportional to 164,588.66, 227,069.73 and 121,671.19
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Solution
The fourth proportional to 164,588.66, 227,069.73 and 121,671.19 is: 167,859.95
Step by Step Solution
- Step 1: Write the proportion equation
164,588.66 : 227,069.73 = 121,671.19 : x - Step 2: Convert to fraction form
164,588.66/227,069.73 = 121,671.19/x - Step 3: Cross multiply
164,588.66x = 227,069.73 × 121,671.19 - Step 4: Simplify right side
164,588.66x = 27,627,844,262.08 - Step 5: Solve for x
x = 27,627,844,262.08/164,588.66 - Step 6: Final answer
x = 167,859.95
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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.