Finding the Fourth Proportional to 313,119.92, 469,057.80 and 172,529.84
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Solution
The fourth proportional to 313,119.92, 469,057.80 and 172,529.84 is: 258,451.99
Step by Step Solution
- Step 1: Write the proportion equation
313,119.92 : 469,057.80 = 172,529.84 : x - Step 2: Convert to fraction form
313,119.92/469,057.80 = 172,529.84/x - Step 3: Cross multiply
313,119.92x = 469,057.80 × 172,529.84 - Step 4: Simplify right side
313,119.92x = 80,926,467,184.75 - Step 5: Solve for x
x = 80,926,467,184.75/313,119.92 - Step 6: Final answer
x = 258,451.99
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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.