Finding the Fourth Proportional to 134,613.21, 201,880.93 and 45,864.75
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Solution
The fourth proportional to 134,613.21, 201,880.93 and 45,864.75 is: 68,783.88
Step by Step Solution
- Step 1: Write the proportion equation
134,613.21 : 201,880.93 = 45,864.75 : x - Step 2: Convert to fraction form
134,613.21/201,880.93 = 45,864.75/x - Step 3: Cross multiply
134,613.21x = 201,880.93 × 45,864.75 - Step 4: Simplify right side
134,613.21x = 9,259,218,384.22 - Step 5: Solve for x
x = 9,259,218,384.22/134,613.21 - Step 6: Final answer
x = 68,783.88
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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.