Finding the Fourth Proportional to 228,905.80, 343,358.70 and 104,489.80
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Solution
The fourth proportional to 228,905.80, 343,358.70 and 104,489.80 is: 156,734.70
Step by Step Solution
- Step 1: Write the proportion equation
228,905.80 : 343,358.70 = 104,489.80 : x - Step 2: Convert to fraction form
228,905.80/343,358.70 = 104,489.80/x - Step 3: Cross multiply
228,905.80x = 343,358.70 × 104,489.80 - Step 4: Simplify right side
228,905.80x = 35,877,481,891.26 - Step 5: Solve for x
x = 35,877,481,891.26/228,905.80 - Step 6: Final answer
x = 156,734.70
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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.