Finding the Fourth Proportional to 509,920.20, 764,880.30 and 244,199.70
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Solution
The fourth proportional to 509,920.20, 764,880.30 and 244,199.70 is: 366,299.55
Step by Step Solution
- Step 1: Write the proportion equation
509,920.20 : 764,880.30 = 244,199.70 : x - Step 2: Convert to fraction form
509,920.20/764,880.30 = 244,199.70/x - Step 3: Cross multiply
509,920.20x = 764,880.30 × 244,199.70 - Step 4: Simplify right side
509,920.20x = 186,783,539,795.91 - Step 5: Solve for x
x = 186,783,539,795.91/509,920.20 - Step 6: Final answer
x = 366,299.55
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Similar ratio
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1.5x scale
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.