Finding the Fourth Proportional to 271,749.05, 405,793.60 and 221,927.97
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Solution
The fourth proportional to 271,749.05, 405,793.60 and 221,927.97 is: 331,397.48
Step by Step Solution
- Step 1: Write the proportion equation
271,749.05 : 405,793.60 = 221,927.97 : x - Step 2: Convert to fraction form
271,749.05/405,793.60 = 221,927.97/x - Step 3: Cross multiply
271,749.05x = 405,793.60 × 221,927.97 - Step 4: Simplify right side
271,749.05x = 90,056,949,886.99 - Step 5: Solve for x
x = 90,056,949,886.99/271,749.05 - Step 6: Final answer
x = 331,397.48
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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.