Finding the Fourth Proportional to 193,041.62, 289,598.84 and 73,134.44
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Solution
The fourth proportional to 193,041.62, 289,598.84 and 73,134.44 is: 109,715.45
Step by Step Solution
- Step 1: Write the proportion equation
193,041.62 : 289,598.84 = 73,134.44 : x - Step 2: Convert to fraction form
193,041.62/289,598.84 = 73,134.44/x - Step 3: Cross multiply
193,041.62x = 289,598.84 × 73,134.44 - Step 4: Simplify right side
193,041.62x = 21,179,647,722.89 - Step 5: Solve for x
x = 21,179,647,722.89/193,041.62 - Step 6: Final answer
x = 109,715.45
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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.