Finding the Fourth Proportional to 134,247.76, 201,245.88 and 45,439.09
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Solution
The fourth proportional to 134,247.76, 201,245.88 and 45,439.09 is: 68,116.07
Step by Step Solution
- Step 1: Write the proportion equation
134,247.76 : 201,245.88 = 45,439.09 : x - Step 2: Convert to fraction form
134,247.76/201,245.88 = 45,439.09/x - Step 3: Cross multiply
134,247.76x = 201,245.88 × 45,439.09 - Step 4: Simplify right side
134,247.76x = 9,144,429,653.45 - Step 5: Solve for x
x = 9,144,429,653.45/134,247.76 - Step 6: Final answer
x = 68,116.07
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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.