Finding the Fourth Proportional to 121,883.64, 182,829.53 and 41,920.84
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Solution
The fourth proportional to 121,883.64, 182,829.53 and 41,920.84 is: 62,882.66
Step by Step Solution
- Step 1: Write the proportion equation
121,883.64 : 182,829.53 = 41,920.84 : x - Step 2: Convert to fraction form
121,883.64/182,829.53 = 41,920.84/x - Step 3: Cross multiply
121,883.64x = 182,829.53 × 41,920.84 - Step 4: Simplify right side
121,883.64x = 7,664,367,474.41 - Step 5: Solve for x
x = 7,664,367,474.41/121,883.64 - Step 6: Final answer
x = 62,882.66
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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.