Finding the Fourth Proportional to 276,835.92, 415,214.46 and 87,271.68
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Solution
The fourth proportional to 276,835.92, 415,214.46 and 87,271.68 is: 130,895.09
Step by Step Solution
- Step 1: Write the proportion equation
276,835.92 : 415,214.46 = 87,271.68 : x - Step 2: Convert to fraction form
276,835.92/415,214.46 = 87,271.68/x - Step 3: Cross multiply
276,835.92x = 415,214.46 × 87,271.68 - Step 4: Simplify right side
276,835.92x = 36,236,463,484.49 - Step 5: Solve for x
x = 36,236,463,484.49/276,835.92 - Step 6: Final answer
x = 130,895.09
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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.