Finding the Fourth Proportional to 318,196.12, 477,169.14 and 115,744.12
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Solution
The fourth proportional to 318,196.12, 477,169.14 and 115,744.12 is: 173,570.70
Step by Step Solution
- Step 1: Write the proportion equation
318,196.12 : 477,169.14 = 115,744.12 : x - Step 2: Convert to fraction form
318,196.12/477,169.14 = 115,744.12/x - Step 3: Cross multiply
318,196.12x = 477,169.14 × 115,744.12 - Step 4: Simplify right side
318,196.12x = 55,229,522,200.46 - Step 5: Solve for x
x = 55,229,522,200.46/318,196.12 - Step 6: Final answer
x = 173,570.70
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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.