Finding the Fourth Proportional to 374,249.12, 516,464.07 and 202,167.05
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Solution
The fourth proportional to 374,249.12, 516,464.07 and 202,167.05 is: 278,990.68
Step by Step Solution
- Step 1: Write the proportion equation
374,249.12 : 516,464.07 = 202,167.05 : x - Step 2: Convert to fraction form
374,249.12/516,464.07 = 202,167.05/x - Step 3: Cross multiply
374,249.12x = 516,464.07 × 202,167.05 - Step 4: Simplify right side
374,249.12x = 104,412,014,122.45 - Step 5: Solve for x
x = 104,412,014,122.45/374,249.12 - Step 6: Final answer
x = 278,990.68
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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.