Finding the Fourth Proportional to 207,893.53, 286,937.58 and 131,364.04
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Solution
The fourth proportional to 207,893.53, 286,937.58 and 131,364.04 is: 181,310.50
Step by Step Solution
- Step 1: Write the proportion equation
207,893.53 : 286,937.58 = 131,364.04 : x - Step 2: Convert to fraction form
207,893.53/286,937.58 = 131,364.04/x - Step 3: Cross multiply
207,893.53x = 286,937.58 × 131,364.04 - Step 4: Simplify right side
207,893.53x = 37,693,279,736.62 - Step 5: Solve for x
x = 37,693,279,736.62/207,893.53 - Step 6: Final answer
x = 181,310.50
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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.