Finding the Fourth Proportional to 313,899.53, 433,153.49 and 174,201.66
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Solution
The fourth proportional to 313,899.53, 433,153.49 and 174,201.66 is: 240,382.83
Step by Step Solution
- Step 1: Write the proportion equation
313,899.53 : 433,153.49 = 174,201.66 : x - Step 2: Convert to fraction form
313,899.53/433,153.49 = 174,201.66/x - Step 3: Cross multiply
313,899.53x = 433,153.49 × 174,201.66 - Step 4: Simplify right side
313,899.53x = 75,456,056,121.79 - Step 5: Solve for x
x = 75,456,056,121.79/313,899.53 - Step 6: Final answer
x = 240,382.83
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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.