Finding the Fourth Proportional to 154,896.36, 213,877.38 and 119,029.80
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Solution
The fourth proportional to 154,896.36, 213,877.38 and 119,029.80 is: 164,353.65
Step by Step Solution
- Step 1: Write the proportion equation
154,896.36 : 213,877.38 = 119,029.80 : x - Step 2: Convert to fraction form
154,896.36/213,877.38 = 119,029.80/x - Step 3: Cross multiply
154,896.36x = 213,877.38 × 119,029.80 - Step 4: Simplify right side
154,896.36x = 25,457,781,765.92 - Step 5: Solve for x
x = 25,457,781,765.92/154,896.36 - Step 6: Final answer
x = 164,353.65
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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.