Finding the Fourth Proportional to 336,119.49, 504,169.11 and 136,435.05
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Solution
The fourth proportional to 336,119.49, 504,169.11 and 136,435.05 is: 204,648.47
Step by Step Solution
- Step 1: Write the proportion equation
336,119.49 : 504,169.11 = 136,435.05 : x - Step 2: Convert to fraction form
336,119.49/504,169.11 = 136,435.05/x - Step 3: Cross multiply
336,119.49x = 504,169.11 × 136,435.05 - Step 4: Simplify right side
336,119.49x = 68,786,337,731.31 - Step 5: Solve for x
x = 68,786,337,731.31/336,119.49 - Step 6: Final answer
x = 204,648.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.