Finding the Fourth Proportional to 508,748.70, 763,230.99 and 193,198.62
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Solution
The fourth proportional to 508,748.70, 763,230.99 and 193,198.62 is: 289,838.92
Step by Step Solution
- Step 1: Write the proportion equation
508,748.70 : 763,230.99 = 193,198.62 : x - Step 2: Convert to fraction form
508,748.70/763,230.99 = 193,198.62/x - Step 3: Cross multiply
508,748.70x = 763,230.99 × 193,198.62 - Step 4: Simplify right side
508,748.70x = 147,455,174,009.23 - Step 5: Solve for x
x = 147,455,174,009.23/508,748.70 - Step 6: Final answer
x = 289,838.92
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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.