Finding the Fourth Proportional to 235,519.27, 325,013.45 and 128,086.99
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Solution
The fourth proportional to 235,519.27, 325,013.45 and 128,086.99 is: 176,758.34
Step by Step Solution
- Step 1: Write the proportion equation
235,519.27 : 325,013.45 = 128,086.99 : x - Step 2: Convert to fraction form
235,519.27/325,013.45 = 128,086.99/x - Step 3: Cross multiply
235,519.27x = 325,013.45 × 128,086.99 - Step 4: Simplify right side
235,519.27x = 41,629,994,520.02 - Step 5: Solve for x
x = 41,629,994,520.02/235,519.27 - Step 6: Final answer
x = 176,758.34
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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.