Finding the Fourth Proportional to 311,523.95, 429,915.71 and 175,563.63
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Solution
The fourth proportional to 311,523.95, 429,915.71 and 175,563.63 is: 242,284.94
Step by Step Solution
- Step 1: Write the proportion equation
311,523.95 : 429,915.71 = 175,563.63 : x - Step 2: Convert to fraction form
311,523.95/429,915.71 = 175,563.63/x - Step 3: Cross multiply
311,523.95x = 429,915.71 × 175,563.63 - Step 4: Simplify right side
311,523.95x = 75,477,560,151.63 - Step 5: Solve for x
x = 75,477,560,151.63/311,523.95 - Step 6: Final answer
x = 242,284.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.