Finding the Fourth Proportional to 299,252.60, 447,785.40 and 220,520.60
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Solution
The fourth proportional to 299,252.60, 447,785.40 and 220,520.60 is: 329,975.09
Step by Step Solution
- Step 1: Write the proportion equation
299,252.60 : 447,785.40 = 220,520.60 : x - Step 2: Convert to fraction form
299,252.60/447,785.40 = 220,520.60/x - Step 3: Cross multiply
299,252.60x = 447,785.40 × 220,520.60 - Step 4: Simplify right side
299,252.60x = 98,745,905,079.24 - Step 5: Solve for x
x = 98,745,905,079.24/299,252.60 - Step 6: Final answer
x = 329,975.09
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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.