Finding the Fourth Proportional to 121,622.07, 182,386.62 and 58,424.19
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Solution
The fourth proportional to 121,622.07, 182,386.62 and 58,424.19 is: 87,613.95
Step by Step Solution
- Step 1: Write the proportion equation
121,622.07 : 182,386.62 = 58,424.19 : x - Step 2: Convert to fraction form
121,622.07/182,386.62 = 58,424.19/x - Step 3: Cross multiply
121,622.07x = 182,386.62 × 58,424.19 - Step 4: Simplify right side
121,622.07x = 10,655,790,540.34 - Step 5: Solve for x
x = 10,655,790,540.34/121,622.07 - Step 6: Final answer
x = 87,613.95
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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.