Finding the Fourth Proportional to 211,341.71, 317,023.68 and 53,571.53
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Solution
The fourth proportional to 211,341.71, 317,023.68 and 53,571.53 is: 80,360.11
Step by Step Solution
- Step 1: Write the proportion equation
211,341.71 : 317,023.68 = 53,571.53 : x - Step 2: Convert to fraction form
211,341.71/317,023.68 = 53,571.53/x - Step 3: Cross multiply
211,341.71x = 317,023.68 × 53,571.53 - Step 4: Simplify right side
211,341.71x = 16,983,443,583.83 - Step 5: Solve for x
x = 16,983,443,583.83/211,341.71 - Step 6: Final answer
x = 80,360.11
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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.