Finding the Fourth Proportional to 235,510.24, 325,006.50 and 128,082.68
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Solution
The fourth proportional to 235,510.24, 325,006.50 and 128,082.68 is: 176,755.39
Step by Step Solution
- Step 1: Write the proportion equation
235,510.24 : 325,006.50 = 128,082.68 : x - Step 2: Convert to fraction form
235,510.24/325,006.50 = 128,082.68/x - Step 3: Cross multiply
235,510.24x = 325,006.50 × 128,082.68 - Step 4: Simplify right side
235,510.24x = 41,627,703,537.42 - Step 5: Solve for x
x = 41,627,703,537.42/235,510.24 - Step 6: Final answer
x = 176,755.39
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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.