Finding the Fourth Proportional to 121,452.75, 182,208.30 and 38,346.75
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Solution
The fourth proportional to 121,452.75, 182,208.30 and 38,346.75 is: 57,529.34
Step by Step Solution
- Step 1: Write the proportion equation
121,452.75 : 182,208.30 = 38,346.75 : x - Step 2: Convert to fraction form
121,452.75/182,208.30 = 38,346.75/x - Step 3: Cross multiply
121,452.75x = 182,208.30 × 38,346.75 - Step 4: Simplify right side
121,452.75x = 6,987,096,128.03 - Step 5: Solve for x
x = 6,987,096,128.03/121,452.75 - Step 6: Final answer
x = 57,529.34
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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.