Finding the Fourth Proportional to 234,423.75, 351,693.95 and 68,211.75
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Solution
The fourth proportional to 234,423.75, 351,693.95 and 68,211.75 is: 102,334.59
Step by Step Solution
- Step 1: Write the proportion equation
234,423.75 : 351,693.95 = 68,211.75 : x - Step 2: Convert to fraction form
234,423.75/351,693.95 = 68,211.75/x - Step 3: Cross multiply
234,423.75x = 351,693.95 × 68,211.75 - Step 4: Simplify right side
234,423.75x = 23,989,659,452.85 - Step 5: Solve for x
x = 23,989,659,452.85/234,423.75 - Step 6: Final answer
x = 102,334.59
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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.