Finding the Fourth Proportional to 299,729.23, 413,621.51 and 163,760.26
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Solution
The fourth proportional to 299,729.23, 413,621.51 and 163,760.26 is: 225,986.52
Step by Step Solution
- Step 1: Write the proportion equation
299,729.23 : 413,621.51 = 163,760.26 : x - Step 2: Convert to fraction form
299,729.23/413,621.51 = 163,760.26/x - Step 3: Cross multiply
299,729.23x = 413,621.51 × 163,760.26 - Step 4: Simplify right side
299,729.23x = 67,734,766,019.19 - Step 5: Solve for x
x = 67,734,766,019.19/299,729.23 - Step 6: Final answer
x = 225,986.52
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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.