Finding the Fourth Proportional to 202,823.63, 279,917.03 and 112,186.49
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Solution
The fourth proportional to 202,823.63, 279,917.03 and 112,186.49 is: 154,828.66
Step by Step Solution
- Step 1: Write the proportion equation
202,823.63 : 279,917.03 = 112,186.49 : x - Step 2: Convert to fraction form
202,823.63/279,917.03 = 112,186.49/x - Step 3: Cross multiply
202,823.63x = 279,917.03 × 112,186.49 - Step 4: Simplify right side
202,823.63x = 31,402,910,566.25 - Step 5: Solve for x
x = 31,402,910,566.25/202,823.63 - Step 6: Final answer
x = 154,828.66
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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.