Finding the Fourth Proportional to 243,532.44, 365,344.02 and 85,861.08
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Solution
The fourth proportional to 243,532.44, 365,344.02 and 85,861.08 is: 128,807.61
Step by Step Solution
- Step 1: Write the proportion equation
243,532.44 : 365,344.02 = 85,861.08 : x - Step 2: Convert to fraction form
243,532.44/365,344.02 = 85,861.08/x - Step 3: Cross multiply
243,532.44x = 365,344.02 × 85,861.08 - Step 4: Simplify right side
243,532.44x = 31,368,832,128.74 - Step 5: Solve for x
x = 31,368,832,128.74/243,532.44 - Step 6: Final answer
x = 128,807.61
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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.