Finding the Fourth Proportional to 206,967.42, 285,617.61 and 125,294.59
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Solution
The fourth proportional to 206,967.42, 285,617.61 and 125,294.59 is: 172,908.09
Step by Step Solution
- Step 1: Write the proportion equation
206,967.42 : 285,617.61 = 125,294.59 : x - Step 2: Convert to fraction form
206,967.42/285,617.61 = 125,294.59/x - Step 3: Cross multiply
206,967.42x = 285,617.61 × 125,294.59 - Step 4: Simplify right side
206,967.42x = 35,786,341,341.73 - Step 5: Solve for x
x = 35,786,341,341.73/206,967.42 - Step 6: Final answer
x = 172,908.09
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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.