Finding the Fourth Proportional to 324,129.60, 485,805.60 and 166,276.80
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Solution
The fourth proportional to 324,129.60, 485,805.60 and 166,276.80 is: 249,215.75
Step by Step Solution
- Step 1: Write the proportion equation
324,129.60 : 485,805.60 = 166,276.80 : x - Step 2: Convert to fraction form
324,129.60/485,805.60 = 166,276.80/x - Step 3: Cross multiply
324,129.60x = 485,805.60 × 166,276.80 - Step 4: Simplify right side
324,129.60x = 80,778,200,590.08 - Step 5: Solve for x
x = 80,778,200,590.08/324,129.60 - Step 6: Final answer
x = 249,215.75
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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.