Finding the Fourth Proportional to 434,584.28, 651,876.96 and 119,043.92
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Solution
The fourth proportional to 434,584.28, 651,876.96 and 119,043.92 is: 178,566.03
Step by Step Solution
- Step 1: Write the proportion equation
434,584.28 : 651,876.96 = 119,043.92 : x - Step 2: Convert to fraction form
434,584.28/651,876.96 = 119,043.92/x - Step 3: Cross multiply
434,584.28x = 651,876.96 × 119,043.92 - Step 4: Simplify right side
434,584.28x = 77,601,988,676.08 - Step 5: Solve for x
x = 77,601,988,676.08/434,584.28 - Step 6: Final answer
x = 178,566.03
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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.