Finding the Fourth Proportional to 347,871.24, 481,028.63 and 276,126.71
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Solution
The fourth proportional to 347,871.24, 481,028.63 and 276,126.71 is: 381,821.88
Step by Step Solution
- Step 1: Write the proportion equation
347,871.24 : 481,028.63 = 276,126.71 : x - Step 2: Convert to fraction form
347,871.24/481,028.63 = 276,126.71/x - Step 3: Cross multiply
347,871.24x = 481,028.63 × 276,126.71 - Step 4: Simplify right side
347,871.24x = 132,824,849,231.93 - Step 5: Solve for x
x = 132,824,849,231.93/347,871.24 - Step 6: Final answer
x = 381,821.88
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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.