Finding the Fourth Proportional to 276,463.63, 414,761.25 and 89,475.13
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Solution
The fourth proportional to 276,463.63, 414,761.25 and 89,475.13 is: 134,233.99
Step by Step Solution
- Step 1: Write the proportion equation
276,463.63 : 414,761.25 = 89,475.13 : x - Step 2: Convert to fraction form
276,463.63/414,761.25 = 89,475.13/x - Step 3: Cross multiply
276,463.63x = 414,761.25 × 89,475.13 - Step 4: Simplify right side
276,463.63x = 37,110,814,688.91 - Step 5: Solve for x
x = 37,110,814,688.91/276,463.63 - Step 6: Final answer
x = 134,233.99
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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.