Finding the Fourth Proportional to 276,451.02, 381,514.68 and 155,600.13
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Solution
The fourth proportional to 276,451.02, 381,514.68 and 155,600.13 is: 214,735.09
Step by Step Solution
- Step 1: Write the proportion equation
276,451.02 : 381,514.68 = 155,600.13 : x - Step 2: Convert to fraction form
276,451.02/381,514.68 = 155,600.13/x - Step 3: Cross multiply
276,451.02x = 381,514.68 × 155,600.13 - Step 4: Simplify right side
276,451.02x = 59,363,733,804.91 - Step 5: Solve for x
x = 59,363,733,804.91/276,451.02 - Step 6: Final answer
x = 214,735.09
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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.