Finding the Fourth Proportional to 202,026.61, 278,829.62 and 121,535.49
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Solution
The fourth proportional to 202,026.61, 278,829.62 and 121,535.49 is: 167,738.77
Step by Step Solution
- Step 1: Write the proportion equation
202,026.61 : 278,829.62 = 121,535.49 : x - Step 2: Convert to fraction form
202,026.61/278,829.62 = 121,535.49/x - Step 3: Cross multiply
202,026.61x = 278,829.62 × 121,535.49 - Step 4: Simplify right side
202,026.61x = 33,887,694,493.21 - Step 5: Solve for x
x = 33,887,694,493.21/202,026.61 - Step 6: Final answer
x = 167,738.77
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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.