Finding the Fourth Proportional to 313,800.21, 433,045.85 and 170,563.05
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Solution
The fourth proportional to 313,800.21, 433,045.85 and 170,563.05 is: 235,377.85
Step by Step Solution
- Step 1: Write the proportion equation
313,800.21 : 433,045.85 = 170,563.05 : x - Step 2: Convert to fraction form
313,800.21/433,045.85 = 170,563.05/x - Step 3: Cross multiply
313,800.21x = 433,045.85 × 170,563.05 - Step 4: Simplify right side
313,800.21x = 73,861,620,113.03 - Step 5: Solve for x
x = 73,861,620,113.03/313,800.21 - Step 6: Final answer
x = 235,377.85
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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.