Finding the Fourth Proportional to 276,679.06, 381,014.49 and 240,364.06
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Solution
The fourth proportional to 276,679.06, 381,014.49 and 240,364.06 is: 331,005.14
Step by Step Solution
- Step 1: Write the proportion equation
276,679.06 : 381,014.49 = 240,364.06 : x - Step 2: Convert to fraction form
276,679.06/381,014.49 = 240,364.06/x - Step 3: Cross multiply
276,679.06x = 381,014.49 × 240,364.06 - Step 4: Simplify right side
276,679.06x = 91,582,189,735.23 - Step 5: Solve for x
x = 91,582,189,735.23/276,679.06 - Step 6: Final answer
x = 331,005.14
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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.