Finding the Fourth Proportional to 207,165.51, 310,249.80 and 140,403.08
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Solution
The fourth proportional to 207,165.51, 310,249.80 and 140,403.08 is: 210,266.79
Step by Step Solution
- Step 1: Write the proportion equation
207,165.51 : 310,249.80 = 140,403.08 : x - Step 2: Convert to fraction form
207,165.51/310,249.80 = 140,403.08/x - Step 3: Cross multiply
207,165.51x = 310,249.80 × 140,403.08 - Step 4: Simplify right side
207,165.51x = 43,560,027,489.38 - Step 5: Solve for x
x = 43,560,027,489.38/207,165.51 - Step 6: Final answer
x = 210,266.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.