Finding the Fourth Proportional to 325,829.10, 488,743.65 and 201,240.30
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Solution
The fourth proportional to 325,829.10, 488,743.65 and 201,240.30 is: 301,860.45
Step by Step Solution
- Step 1: Write the proportion equation
325,829.10 : 488,743.65 = 201,240.30 : x - Step 2: Convert to fraction form
325,829.10/488,743.65 = 201,240.30/x - Step 3: Cross multiply
325,829.10x = 488,743.65 × 201,240.30 - Step 4: Simplify right side
325,829.10x = 98,354,918,749.10 - Step 5: Solve for x
x = 98,354,918,749.10/325,829.10 - Step 6: Final answer
x = 301,860.45
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Similar ratio
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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.