Finding the Fourth Proportional to 318,119.51, 477,166.80 and 107,757.44
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Solution
The fourth proportional to 318,119.51, 477,166.80 and 107,757.44 is: 161,631.94
Step by Step Solution
- Step 1: Write the proportion equation
318,119.51 : 477,166.80 = 107,757.44 : x - Step 2: Convert to fraction form
318,119.51/477,166.80 = 107,757.44/x - Step 3: Cross multiply
318,119.51x = 477,166.80 × 107,757.44 - Step 4: Simplify right side
318,119.51x = 51,418,272,820.99 - Step 5: Solve for x
x = 51,418,272,820.99/318,119.51 - Step 6: Final answer
x = 161,631.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.