Finding the Fourth Proportional to 202,901.02, 280,093.11 and 121,258.09
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Solution
The fourth proportional to 202,901.02, 280,093.11 and 121,258.09 is: 167,389.77
Step by Step Solution
- Step 1: Write the proportion equation
202,901.02 : 280,093.11 = 121,258.09 : x - Step 2: Convert to fraction form
202,901.02/280,093.11 = 121,258.09/x - Step 3: Cross multiply
202,901.02x = 280,093.11 × 121,258.09 - Step 4: Simplify right side
202,901.02x = 33,963,555,540.76 - Step 5: Solve for x
x = 33,963,555,540.76/202,901.02 - Step 6: Final answer
x = 167,389.77
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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.