Finding the Fourth Proportional to 219,918.36, 329,877.54 and 126,364.44
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Solution
The fourth proportional to 219,918.36, 329,877.54 and 126,364.44 is: 189,546.66
Step by Step Solution
- Step 1: Write the proportion equation
219,918.36 : 329,877.54 = 126,364.44 : x - Step 2: Convert to fraction form
219,918.36/329,877.54 = 126,364.44/x - Step 3: Cross multiply
219,918.36x = 329,877.54 × 126,364.44 - Step 4: Simplify right side
219,918.36x = 41,684,790,610.68 - Step 5: Solve for x
x = 41,684,790,610.68/219,918.36 - Step 6: Final answer
x = 189,546.66
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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.