Finding the Fourth Proportional to 299,782.28, 413,700.64 and 163,816.23
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Solution
The fourth proportional to 299,782.28, 413,700.64 and 163,816.23 is: 226,067.00
Step by Step Solution
- Step 1: Write the proportion equation
299,782.28 : 413,700.64 = 163,816.23 : x - Step 2: Convert to fraction form
299,782.28/413,700.64 = 163,816.23/x - Step 3: Cross multiply
299,782.28x = 413,700.64 × 163,816.23 - Step 4: Simplify right side
299,782.28x = 67,770,880,335.22 - Step 5: Solve for x
x = 67,770,880,335.22/299,782.28 - Step 6: Final answer
x = 226,067.00
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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.