Finding the Fourth Proportional to 276,901.26, 415,351.84 and 66,539.20
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Solution
The fourth proportional to 276,901.26, 415,351.84 and 66,539.20 is: 99,808.78
Step by Step Solution
- Step 1: Write the proportion equation
276,901.26 : 415,351.84 = 66,539.20 : x - Step 2: Convert to fraction form
276,901.26/415,351.84 = 66,539.20/x - Step 3: Cross multiply
276,901.26x = 415,351.84 × 66,539.20 - Step 4: Simplify right side
276,901.26x = 27,637,177,075.37 - Step 5: Solve for x
x = 27,637,177,075.37/276,901.26 - Step 6: Final answer
x = 99,808.78
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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.