Finding the Fourth Proportional to 316,821.24, 475,232.88 and 80,163.90
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Solution
The fourth proportional to 316,821.24, 475,232.88 and 80,163.90 is: 120,246.11
Step by Step Solution
- Step 1: Write the proportion equation
316,821.24 : 475,232.88 = 80,163.90 : x - Step 2: Convert to fraction form
316,821.24/475,232.88 = 80,163.90/x - Step 3: Cross multiply
316,821.24x = 475,232.88 × 80,163.90 - Step 4: Simplify right side
316,821.24x = 38,096,521,069.03 - Step 5: Solve for x
x = 38,096,521,069.03/316,821.24 - Step 6: Final answer
x = 120,246.11
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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.