Finding the Fourth Proportional to 313,933.67, 433,216.51 and 170,693.83
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Solution
The fourth proportional to 313,933.67, 433,216.51 and 170,693.83 is: 235,550.99
Step by Step Solution
- Step 1: Write the proportion equation
313,933.67 : 433,216.51 = 170,693.83 : x - Step 2: Convert to fraction form
313,933.67/433,216.51 = 170,693.83/x - Step 3: Cross multiply
313,933.67x = 433,216.51 × 170,693.83 - Step 4: Simplify right side
313,933.67x = 73,947,385,311.13 - Step 5: Solve for x
x = 73,947,385,311.13/313,933.67 - Step 6: Final answer
x = 235,550.99
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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.