Finding the Fourth Proportional to 313,323.76, 470,163.40 and 169,227.80
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Solution
The fourth proportional to 313,323.76, 470,163.40 and 169,227.80 is: 253,937.70
Step by Step Solution
- Step 1: Write the proportion equation
313,323.76 : 470,163.40 = 169,227.80 : x - Step 2: Convert to fraction form
313,323.76/470,163.40 = 169,227.80/x - Step 3: Cross multiply
313,323.76x = 470,163.40 × 169,227.80 - Step 4: Simplify right side
313,323.76x = 79,564,716,976.38 - Step 5: Solve for x
x = 79,564,716,976.38/313,323.76 - Step 6: Final answer
x = 253,937.70
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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.