Finding the Fourth Proportional to 207,752.22, 286,699.32 and 131,305.19
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Solution
The fourth proportional to 207,752.22, 286,699.32 and 131,305.19 is: 181,201.95
Step by Step Solution
- Step 1: Write the proportion equation
207,752.22 : 286,699.32 = 131,305.19 : x - Step 2: Convert to fraction form
207,752.22/286,699.32 = 131,305.19/x - Step 3: Cross multiply
207,752.22x = 286,699.32 × 131,305.19 - Step 4: Simplify right side
207,752.22x = 37,645,107,251.97 - Step 5: Solve for x
x = 37,645,107,251.97/207,752.22 - Step 6: Final answer
x = 181,201.95
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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.