Finding the Fourth Proportional to 322,378.42, 444,744.21 and 201,309.52
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Solution
The fourth proportional to 322,378.42, 444,744.21 and 201,309.52 is: 277,720.95
Step by Step Solution
- Step 1: Write the proportion equation
322,378.42 : 444,744.21 = 201,309.52 : x - Step 2: Convert to fraction form
322,378.42/444,744.21 = 201,309.52/x - Step 3: Cross multiply
322,378.42x = 444,744.21 × 201,309.52 - Step 4: Simplify right side
322,378.42x = 89,531,241,319.47 - Step 5: Solve for x
x = 89,531,241,319.47/322,378.42 - Step 6: Final answer
x = 277,720.95
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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.