Finding the Fourth Proportional to 121,511.26, 182,258.79 and 58,376.62
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Solution
The fourth proportional to 121,511.26, 182,258.79 and 58,376.62 is: 87,561.04
Step by Step Solution
- Step 1: Write the proportion equation
121,511.26 : 182,258.79 = 58,376.62 : x - Step 2: Convert to fraction form
121,511.26/182,258.79 = 58,376.62/x - Step 3: Cross multiply
121,511.26x = 182,258.79 × 58,376.62 - Step 4: Simplify right side
121,511.26x = 10,639,652,125.49 - Step 5: Solve for x
x = 10,639,652,125.49/121,511.26 - Step 6: Final answer
x = 87,561.04
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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.