Finding the Fourth Proportional to 134,476.20, 201,714.30 and 40,986.60
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Solution
The fourth proportional to 134,476.20, 201,714.30 and 40,986.60 is: 61,479.90
Step by Step Solution
- Step 1: Write the proportion equation
134,476.20 : 201,714.30 = 40,986.60 : x - Step 2: Convert to fraction form
134,476.20/201,714.30 = 40,986.60/x - Step 3: Cross multiply
134,476.20x = 201,714.30 × 40,986.60 - Step 4: Simplify right side
134,476.20x = 8,267,583,328.38 - Step 5: Solve for x
x = 8,267,583,328.38/134,476.20 - Step 6: Final answer
x = 61,479.90
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1.5x scale
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.