Finding the Fourth Proportional to 193,405.20, 290,107.80 and 110,461.20
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Solution
The fourth proportional to 193,405.20, 290,107.80 and 110,461.20 is: 165,691.80
Step by Step Solution
- Step 1: Write the proportion equation
193,405.20 : 290,107.80 = 110,461.20 : x - Step 2: Convert to fraction form
193,405.20/290,107.80 = 110,461.20/x - Step 3: Cross multiply
193,405.20x = 290,107.80 × 110,461.20 - Step 4: Simplify right side
193,405.20x = 32,045,655,717.36 - Step 5: Solve for x
x = 32,045,655,717.36/193,405.20 - Step 6: Final answer
x = 165,691.80
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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.