Finding the Fourth Proportional to 299,730.05, 413,622.63 and 163,761.08
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Solution
The fourth proportional to 299,730.05, 413,622.63 and 163,761.08 is: 225,987.65
Step by Step Solution
- Step 1: Write the proportion equation
299,730.05 : 413,622.63 = 163,761.08 : x - Step 2: Convert to fraction form
299,730.05/413,622.63 = 163,761.08/x - Step 3: Cross multiply
299,730.05x = 413,622.63 × 163,761.08 - Step 4: Simplify right side
299,730.05x = 67,735,288,601.24 - Step 5: Solve for x
x = 67,735,288,601.24/299,730.05 - Step 6: Final answer
x = 225,987.65
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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.