Finding the Fourth Proportional to 325,537.60, 488,306.40 and 201,121.60
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Solution
The fourth proportional to 325,537.60, 488,306.40 and 201,121.60 is: 301,682.40
Step by Step Solution
- Step 1: Write the proportion equation
325,537.60 : 488,306.40 = 201,121.60 : x - Step 2: Convert to fraction form
325,537.60/488,306.40 = 201,121.60/x - Step 3: Cross multiply
325,537.60x = 488,306.40 × 201,121.60 - Step 4: Simplify right side
325,537.60x = 98,208,964,458.24 - Step 5: Solve for x
x = 98,208,964,458.24/325,537.60 - Step 6: Final answer
x = 301,682.40
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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.