Finding the Fourth Proportional to 206,425.68, 284,870.70 and 115,801.80
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Solution
The fourth proportional to 206,425.68, 284,870.70 and 115,801.80 is: 159,808.31
Step by Step Solution
- Step 1: Write the proportion equation
206,425.68 : 284,870.70 = 115,801.80 : x - Step 2: Convert to fraction form
206,425.68/284,870.70 = 115,801.80/x - Step 3: Cross multiply
206,425.68x = 284,870.70 × 115,801.80 - Step 4: Simplify right side
206,425.68x = 32,988,539,827.26 - Step 5: Solve for x
x = 32,988,539,827.26/206,425.68 - Step 6: Final answer
x = 159,808.31
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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.