Finding the Fourth Proportional to 140,028.84, 209,975.04 and 46,503
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Solution
The fourth proportional to 140,028.84, 209,975.04 and 46,503 is: 69,731.84
Step by Step Solution
- Step 1: Write the proportion equation
140,028.84 : 209,975.04 = 46,503 : x - Step 2: Convert to fraction form
140,028.84/209,975.04 = 46,503/x - Step 3: Cross multiply
140,028.84x = 209,975.04 × 46,503 - Step 4: Simplify right side
140,028.84x = 9,764,469,285.12 - Step 5: Solve for x
x = 9,764,469,285.12/140,028.84 - Step 6: Final answer
x = 69,731.84
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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.