Finding the Fourth Proportional to 276,054.63, 414,082.06 and 86,529.75
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Solution
The fourth proportional to 276,054.63, 414,082.06 and 86,529.75 is: 129,794.66
Step by Step Solution
- Step 1: Write the proportion equation
276,054.63 : 414,082.06 = 86,529.75 : x - Step 2: Convert to fraction form
276,054.63/414,082.06 = 86,529.75/x - Step 3: Cross multiply
276,054.63x = 414,082.06 × 86,529.75 - Step 4: Simplify right side
276,054.63x = 35,830,415,362.15 - Step 5: Solve for x
x = 35,830,415,362.15/276,054.63 - Step 6: Final answer
x = 129,794.66
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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.