Finding the Fourth Proportional to 193,156.82, 289,814.94 and 104,305.70
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Solution
The fourth proportional to 193,156.82, 289,814.94 and 104,305.70 is: 156,501.59
Step by Step Solution
- Step 1: Write the proportion equation
193,156.82 : 289,814.94 = 104,305.70 : x - Step 2: Convert to fraction form
193,156.82/289,814.94 = 104,305.70/x - Step 3: Cross multiply
193,156.82x = 289,814.94 × 104,305.70 - Step 4: Simplify right side
193,156.82x = 30,229,348,738.08 - Step 5: Solve for x
x = 30,229,348,738.08/193,156.82 - Step 6: Final answer
x = 156,501.59
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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.