Finding the Fourth Proportional to 178,331.20, 246,134.21 and 163,968.31
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Solution
The fourth proportional to 178,331.20, 246,134.21 and 163,968.31 is: 226,310.42
Step by Step Solution
- Step 1: Write the proportion equation
178,331.20 : 246,134.21 = 163,968.31 : x - Step 2: Convert to fraction form
178,331.20/246,134.21 = 163,968.31/x - Step 3: Cross multiply
178,331.20x = 246,134.21 × 163,968.31 - Step 4: Simplify right side
178,331.20x = 40,358,209,318.81 - Step 5: Solve for x
x = 40,358,209,318.81/178,331.20 - Step 6: Final answer
x = 226,310.42
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1.5x scale
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.