Finding the Fourth Proportional to 341,871.55, 512,807.33 and 303,489.70
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Solution
The fourth proportional to 341,871.55, 512,807.33 and 303,489.70 is: 455,234.55
Step by Step Solution
- Step 1: Write the proportion equation
341,871.55 : 512,807.33 = 303,489.70 : x - Step 2: Convert to fraction form
341,871.55/512,807.33 = 303,489.70/x - Step 3: Cross multiply
341,871.55x = 512,807.33 × 303,489.70 - Step 4: Simplify right side
341,871.55x = 155,631,741,222.05 - Step 5: Solve for x
x = 155,631,741,222.05/341,871.55 - Step 6: Final answer
x = 455,234.55
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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.