Finding the Fourth Proportional to 192,837.20, 266,107.56 and 112,267.04
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Solution
The fourth proportional to 192,837.20, 266,107.56 and 112,267.04 is: 154,923.99
Step by Step Solution
- Step 1: Write the proportion equation
192,837.20 : 266,107.56 = 112,267.04 : x - Step 2: Convert to fraction form
192,837.20/266,107.56 = 112,267.04/x - Step 3: Cross multiply
192,837.20x = 266,107.56 × 112,267.04 - Step 4: Simplify right side
192,837.20x = 29,875,108,082.82 - Step 5: Solve for x
x = 29,875,108,082.82/192,837.20 - Step 6: Final answer
x = 154,923.99
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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.