Finding the Fourth Proportional to 276,424.44, 381,496.68 and 155,595.12
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Solution
The fourth proportional to 276,424.44, 381,496.68 and 155,595.12 is: 214,738.69
Step by Step Solution
- Step 1: Write the proportion equation
276,424.44 : 381,496.68 = 155,595.12 : x - Step 2: Convert to fraction form
276,424.44/381,496.68 = 155,595.12/x - Step 3: Cross multiply
276,424.44x = 381,496.68 × 155,595.12 - Step 4: Simplify right side
276,424.44x = 59,359,021,704.20 - Step 5: Solve for x
x = 59,359,021,704.20/276,424.44 - Step 6: Final answer
x = 214,738.69
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1.5x scale
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.