Finding the Fourth Proportional to 217,445.27, 325,853.12 and 149,907.98
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Solution
The fourth proportional to 217,445.27, 325,853.12 and 149,907.98 is: 224,644.95
Step by Step Solution
- Step 1: Write the proportion equation
217,445.27 : 325,853.12 = 149,907.98 : x - Step 2: Convert to fraction form
217,445.27/325,853.12 = 149,907.98/x - Step 3: Cross multiply
217,445.27x = 325,853.12 × 149,907.98 - Step 4: Simplify right side
217,445.27x = 48,847,982,246.36 - Step 5: Solve for x
x = 48,847,982,246.36/217,445.27 - Step 6: Final answer
x = 224,644.95
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1.5x scale
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.