Finding the Fourth Proportional to 475,704.72, 656,816.88 and 306,234.08
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Solution
The fourth proportional to 475,704.72, 656,816.88 and 306,234.08 is: 422,824.72
Step by Step Solution
- Step 1: Write the proportion equation
475,704.72 : 656,816.88 = 306,234.08 : x - Step 2: Convert to fraction form
475,704.72/656,816.88 = 306,234.08/x - Step 3: Cross multiply
475,704.72x = 656,816.88 × 306,234.08 - Step 4: Simplify right side
475,704.72x = 201,139,712,975.27 - Step 5: Solve for x
x = 201,139,712,975.27/475,704.72 - Step 6: Final answer
x = 422,824.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.