Finding the Fourth Proportional to 207,246.83, 285,998.60 and 115,364.65
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Solution
The fourth proportional to 207,246.83, 285,998.60 and 115,364.65 is: 159,202.09
Step by Step Solution
- Step 1: Write the proportion equation
207,246.83 : 285,998.60 = 115,364.65 : x - Step 2: Convert to fraction form
207,246.83/285,998.60 = 115,364.65/x - Step 3: Cross multiply
207,246.83x = 285,998.60 × 115,364.65 - Step 4: Simplify right side
207,246.83x = 32,994,128,389.49 - Step 5: Solve for x
x = 32,994,128,389.49/207,246.83 - Step 6: Final answer
x = 159,202.09
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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.