Finding the Fourth Proportional to 201,674.61, 278,317.35 and 109,800.09
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Solution
The fourth proportional to 201,674.61, 278,317.35 and 109,800.09 is: 151,527.60
Step by Step Solution
- Step 1: Write the proportion equation
201,674.61 : 278,317.35 = 109,800.09 : x - Step 2: Convert to fraction form
201,674.61/278,317.35 = 109,800.09/x - Step 3: Cross multiply
201,674.61x = 278,317.35 × 109,800.09 - Step 4: Simplify right side
201,674.61x = 30,559,270,078.56 - Step 5: Solve for x
x = 30,559,270,078.56/201,674.61 - Step 6: Final answer
x = 151,527.60
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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.