Finding the Fourth Proportional to 201,378.44, 302,048.16 and 61,138.28
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Solution
The fourth proportional to 201,378.44, 302,048.16 and 61,138.28 is: 91,701.50
Step by Step Solution
- Step 1: Write the proportion equation
201,378.44 : 302,048.16 = 61,138.28 : x - Step 2: Convert to fraction form
201,378.44/302,048.16 = 61,138.28/x - Step 3: Cross multiply
201,378.44x = 302,048.16 × 61,138.28 - Step 4: Simplify right side
201,378.44x = 18,466,704,979.56 - Step 5: Solve for x
x = 18,466,704,979.56/201,378.44 - Step 6: Final answer
x = 91,701.50
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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.