Finding the Fourth Proportional to 193,162.74, 289,687.95 and 74,807.70
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Solution
The fourth proportional to 193,162.74, 289,687.95 and 74,807.70 is: 112,189.80
Step by Step Solution
- Step 1: Write the proportion equation
193,162.74 : 289,687.95 = 74,807.70 : x - Step 2: Convert to fraction form
193,162.74/289,687.95 = 74,807.70/x - Step 3: Cross multiply
193,162.74x = 289,687.95 × 74,807.70 - Step 4: Simplify right side
193,162.74x = 21,670,889,257.22 - Step 5: Solve for x
x = 21,670,889,257.22/193,162.74 - Step 6: Final answer
x = 112,189.80
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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.