Finding the Fourth Proportional to 305,230.28, 421,239.35 and 169,277.23
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Solution
The fourth proportional to 305,230.28, 421,239.35 and 169,277.23 is: 233,614.54
Step by Step Solution
- Step 1: Write the proportion equation
305,230.28 : 421,239.35 = 169,277.23 : x - Step 2: Convert to fraction form
305,230.28/421,239.35 = 169,277.23/x - Step 3: Cross multiply
305,230.28x = 421,239.35 × 169,277.23 - Step 4: Simplify right side
305,230.28x = 71,306,230,335.00 - Step 5: Solve for x
x = 71,306,230,335.00/305,230.28 - Step 6: Final answer
x = 233,614.54
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1.5x scale
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.