Finding the Fourth Proportional to 313,811.36, 470,706.04 and 100,576.12
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Solution
The fourth proportional to 313,811.36, 470,706.04 and 100,576.12 is: 150,860.65
Step by Step Solution
- Step 1: Write the proportion equation
313,811.36 : 470,706.04 = 100,576.12 : x - Step 2: Convert to fraction form
313,811.36/470,706.04 = 100,576.12/x - Step 3: Cross multiply
313,811.36x = 470,706.04 × 100,576.12 - Step 4: Simplify right side
313,811.36x = 47,341,787,163.76 - Step 5: Solve for x
x = 47,341,787,163.76/313,811.36 - Step 6: Final answer
x = 150,860.65
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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.