Finding the Fourth Proportional to 299,729.97, 413,622.47 and 163,760.99
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Solution
The fourth proportional to 299,729.97, 413,622.47 and 163,760.99 is: 225,987.50
Step by Step Solution
- Step 1: Write the proportion equation
299,729.97 : 413,622.47 = 163,760.99 : x - Step 2: Convert to fraction form
299,729.97/413,622.47 = 163,760.99/x - Step 3: Cross multiply
299,729.97x = 413,622.47 × 163,760.99 - Step 4: Simplify right side
299,729.97x = 67,735,224,354.64 - Step 5: Solve for x
x = 67,735,224,354.64/299,729.97 - Step 6: Final answer
x = 225,987.50
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1.5x scale
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.