Finding the Fourth Proportional to 193,149.63, 289,682.19 and 98,279.19
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Solution
The fourth proportional to 193,149.63, 289,682.19 and 98,279.19 is: 147,397.28
Step by Step Solution
- Step 1: Write the proportion equation
193,149.63 : 289,682.19 = 98,279.19 : x - Step 2: Convert to fraction form
193,149.63/289,682.19 = 98,279.19/x - Step 3: Cross multiply
193,149.63x = 289,682.19 × 98,279.19 - Step 4: Simplify right side
193,149.63x = 28,469,730,990.63 - Step 5: Solve for x
x = 28,469,730,990.63/193,149.63 - Step 6: Final answer
x = 147,397.28
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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.