Finding the Fourth Proportional to 276,793.05, 413,672.81 and 202,070.55
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Solution
The fourth proportional to 276,793.05, 413,672.81 and 202,070.55 is: 301,998.52
Step by Step Solution
- Step 1: Write the proportion equation
276,793.05 : 413,672.81 = 202,070.55 : x - Step 2: Convert to fraction form
276,793.05/413,672.81 = 202,070.55/x - Step 3: Cross multiply
276,793.05x = 413,672.81 × 202,070.55 - Step 4: Simplify right side
276,793.05x = 83,591,092,236.75 - Step 5: Solve for x
x = 83,591,092,236.75/276,793.05 - Step 6: Final answer
x = 301,998.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.