Finding the Fourth Proportional to 299,710.74, 413,629.42 and 163,765.34
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Solution
The fourth proportional to 299,710.74, 413,629.42 and 163,765.34 is: 226,011.80
Step by Step Solution
- Step 1: Write the proportion equation
299,710.74 : 413,629.42 = 163,765.34 : x - Step 2: Convert to fraction form
299,710.74/413,629.42 = 163,765.34/x - Step 3: Cross multiply
299,710.74x = 413,629.42 × 163,765.34 - Step 4: Simplify right side
299,710.74x = 67,738,162,600.30 - Step 5: Solve for x
x = 67,738,162,600.30/299,710.74 - Step 6: Final answer
x = 226,011.80
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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.