Finding the Fourth Proportional to 216,670.14, 324,739.02 and 121,700.69
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Solution
The fourth proportional to 216,670.14, 324,739.02 and 121,700.69 is: 182,401.51
Step by Step Solution
- Step 1: Write the proportion equation
216,670.14 : 324,739.02 = 121,700.69 : x - Step 2: Convert to fraction form
216,670.14/324,739.02 = 121,700.69/x - Step 3: Cross multiply
216,670.14x = 324,739.02 × 121,700.69 - Step 4: Simplify right side
216,670.14x = 39,520,961,180.23 - Step 5: Solve for x
x = 39,520,961,180.23/216,670.14 - Step 6: Final answer
x = 182,401.51
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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.