Finding the Fourth Proportional to 374,643.83, 516,997.99 and 204,874.31
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Solution
The fourth proportional to 374,643.83, 516,997.99 and 204,874.31 is: 282,720.81
Step by Step Solution
- Step 1: Write the proportion equation
374,643.83 : 516,997.99 = 204,874.31 : x - Step 2: Convert to fraction form
374,643.83/516,997.99 = 204,874.31/x - Step 3: Cross multiply
374,643.83x = 516,997.99 × 204,874.31 - Step 4: Simplify right side
374,643.83x = 105,919,608,021.23 - Step 5: Solve for x
x = 105,919,608,021.23/374,643.83 - Step 6: Final answer
x = 282,720.81
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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.