Finding the Fourth Proportional to 276,829.92, 415,205.46 and 87,265.68
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Solution
The fourth proportional to 276,829.92, 415,205.46 and 87,265.68 is: 130,886.09
Step by Step Solution
- Step 1: Write the proportion equation
276,829.92 : 415,205.46 = 87,265.68 : x - Step 2: Convert to fraction form
276,829.92/415,205.46 = 87,265.68/x - Step 3: Cross multiply
276,829.92x = 415,205.46 × 87,265.68 - Step 4: Simplify right side
276,829.92x = 36,233,186,806.61 - Step 5: Solve for x
x = 36,233,186,806.61/276,829.92 - Step 6: Final answer
x = 130,886.09
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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.