Finding the Fourth Proportional to 276,674.05, 381,820.44 and 154,177.48
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Solution
The fourth proportional to 276,674.05, 381,820.44 and 154,177.48 is: 212,770.63
Step by Step Solution
- Step 1: Write the proportion equation
276,674.05 : 381,820.44 = 154,177.48 : x - Step 2: Convert to fraction form
276,674.05/381,820.44 = 154,177.48/x - Step 3: Cross multiply
276,674.05x = 381,820.44 × 154,177.48 - Step 4: Simplify right side
276,674.05x = 58,868,113,251.69 - Step 5: Solve for x
x = 58,868,113,251.69/276,674.05 - Step 6: Final answer
x = 212,770.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.