Finding the Fourth Proportional to 313,832.48, 433,083.71 and 170,596.13
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Solution
The fourth proportional to 313,832.48, 433,083.71 and 170,596.13 is: 235,419.88
Step by Step Solution
- Step 1: Write the proportion equation
313,832.48 : 433,083.71 = 170,596.13 : x - Step 2: Convert to fraction form
313,832.48/433,083.71 = 170,596.13/x - Step 3: Cross multiply
313,832.48x = 433,083.71 × 170,596.13 - Step 4: Simplify right side
313,832.48x = 73,882,403,153.11 - Step 5: Solve for x
x = 73,882,403,153.11/313,832.48 - Step 6: Final answer
x = 235,419.88
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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.