Finding the Fourth Proportional to 121,922.19, 182,889.41 and 38,822.67
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Solution
The fourth proportional to 121,922.19, 182,889.41 and 38,822.67 is: 58,235.95
Step by Step Solution
- Step 1: Write the proportion equation
121,922.19 : 182,889.41 = 38,822.67 : x - Step 2: Convert to fraction form
121,922.19/182,889.41 = 38,822.67/x - Step 3: Cross multiply
121,922.19x = 182,889.41 × 38,822.67 - Step 4: Simplify right side
121,922.19x = 7,100,255,016.81 - Step 5: Solve for x
x = 7,100,255,016.81/121,922.19 - Step 6: Final answer
x = 58,235.95
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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.