Finding the Fourth Proportional to 479,245.14, 661,325.58 and 264,388.80
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Solution
The fourth proportional to 479,245.14, 661,325.58 and 264,388.80 is: 364,838.50
Step by Step Solution
- Step 1: Write the proportion equation
479,245.14 : 661,325.58 = 264,388.80 : x - Step 2: Convert to fraction form
479,245.14/661,325.58 = 264,388.80/x - Step 3: Cross multiply
479,245.14x = 661,325.58 × 264,388.80 - Step 4: Simplify right side
479,245.14x = 174,847,076,505.50 - Step 5: Solve for x
x = 174,847,076,505.50/479,245.14 - Step 6: Final answer
x = 364,838.50
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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.