Finding the Fourth Proportional to 276,497.09, 381,566.08 and 161,797.79
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Solution
The fourth proportional to 276,497.09, 381,566.08 and 161,797.79 is: 223,281.00
Step by Step Solution
- Step 1: Write the proportion equation
276,497.09 : 381,566.08 = 161,797.79 : x - Step 2: Convert to fraction form
276,497.09/381,566.08 = 161,797.79/x - Step 3: Cross multiply
276,497.09x = 381,566.08 × 161,797.79 - Step 4: Simplify right side
276,497.09x = 61,736,546,582.70 - Step 5: Solve for x
x = 61,736,546,582.70/276,497.09 - Step 6: Final answer
x = 223,281.00
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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.