Finding the Fourth Proportional to 206,965.17, 285,614.51 and 125,292.34
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Solution
The fourth proportional to 206,965.17, 285,614.51 and 125,292.34 is: 172,904.99
Step by Step Solution
- Step 1: Write the proportion equation
206,965.17 : 285,614.51 = 125,292.34 : x - Step 2: Convert to fraction form
206,965.17/285,614.51 = 125,292.34/x - Step 3: Cross multiply
206,965.17x = 285,614.51 × 125,292.34 - Step 4: Simplify right side
206,965.17x = 35,785,310,026.41 - Step 5: Solve for x
x = 35,785,310,026.41/206,965.17 - Step 6: Final answer
x = 172,904.99
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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.