Finding the Fourth Proportional to 276,130.44, 414,200.79 and 86,586.63
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Solution
The fourth proportional to 276,130.44, 414,200.79 and 86,586.63 is: 129,881.55
Step by Step Solution
- Step 1: Write the proportion equation
276,130.44 : 414,200.79 = 86,586.63 : x - Step 2: Convert to fraction form
276,130.44/414,200.79 = 86,586.63/x - Step 3: Cross multiply
276,130.44x = 414,200.79 × 86,586.63 - Step 4: Simplify right side
276,130.44x = 35,864,250,549.44 - Step 5: Solve for x
x = 35,864,250,549.44/276,130.44 - Step 6: Final answer
x = 129,881.55
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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.