Finding the Fourth Proportional to 313,011.14, 469,553.97 and 99,704.17
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Solution
The fourth proportional to 313,011.14, 469,553.97 and 99,704.17 is: 149,568.12
Step by Step Solution
- Step 1: Write the proportion equation
313,011.14 : 469,553.97 = 99,704.17 : x - Step 2: Convert to fraction form
313,011.14/469,553.97 = 99,704.17/x - Step 3: Cross multiply
313,011.14x = 469,553.97 × 99,704.17 - Step 4: Simplify right side
313,011.14x = 46,816,486,501.29 - Step 5: Solve for x
x = 46,816,486,501.29/313,011.14 - Step 6: Final answer
x = 149,568.12
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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.