Finding the Fourth Proportional to 276,754.64, 415,289.82 and 108,288.68
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Solution
The fourth proportional to 276,754.64, 415,289.82 and 108,288.68 is: 162,494.79
Step by Step Solution
- Step 1: Write the proportion equation
276,754.64 : 415,289.82 = 108,288.68 : x - Step 2: Convert to fraction form
276,754.64/415,289.82 = 108,288.68/x - Step 3: Cross multiply
276,754.64x = 415,289.82 × 108,288.68 - Step 4: Simplify right side
276,754.64x = 44,971,186,425.24 - Step 5: Solve for x
x = 44,971,186,425.24/276,754.64 - Step 6: Final answer
x = 162,494.79
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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.