Finding the Fourth Proportional to 299,730.24, 413,622.90 and 163,761.26
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Solution
The fourth proportional to 299,730.24, 413,622.90 and 163,761.26 is: 225,987.90
Step by Step Solution
- Step 1: Write the proportion equation
299,730.24 : 413,622.90 = 163,761.26 : x - Step 2: Convert to fraction form
299,730.24/413,622.90 = 163,761.26/x - Step 3: Cross multiply
299,730.24x = 413,622.90 × 163,761.26 - Step 4: Simplify right side
299,730.24x = 67,735,407,268.85 - Step 5: Solve for x
x = 67,735,407,268.85/299,730.24 - Step 6: Final answer
x = 225,987.90
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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.