Finding the Fourth Proportional to 325,550.20, 488,349.60 and 115,160.80
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Solution
The fourth proportional to 325,550.20, 488,349.60 and 115,160.80 is: 172,749.80
Step by Step Solution
- Step 1: Write the proportion equation
325,550.20 : 488,349.60 = 115,160.80 : x - Step 2: Convert to fraction form
325,550.20/488,349.60 = 115,160.80/x - Step 3: Cross multiply
325,550.20x = 488,349.60 × 115,160.80 - Step 4: Simplify right side
325,550.20x = 56,238,730,615.68 - Step 5: Solve for x
x = 56,238,730,615.68/325,550.20 - Step 6: Final answer
x = 172,749.80
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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.