Finding the Fourth Proportional to 396,205.42, 546,630.51 and 226,319.26
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Solution
The fourth proportional to 396,205.42, 546,630.51 and 226,319.26 is: 312,244.62
Step by Step Solution
- Step 1: Write the proportion equation
396,205.42 : 546,630.51 = 226,319.26 : x - Step 2: Convert to fraction form
396,205.42/546,630.51 = 226,319.26/x - Step 3: Cross multiply
396,205.42x = 546,630.51 × 226,319.26 - Step 4: Simplify right side
396,205.42x = 123,713,012,516.62 - Step 5: Solve for x
x = 123,713,012,516.62/396,205.42 - Step 6: Final answer
x = 312,244.62
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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.