Finding the Fourth Proportional to 548,902.60, 823,149.10 and 216,409.80
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Solution
The fourth proportional to 548,902.60, 823,149.10 and 216,409.80 is: 324,533.96
Step by Step Solution
- Step 1: Write the proportion equation
548,902.60 : 823,149.10 = 216,409.80 : x - Step 2: Convert to fraction form
548,902.60/823,149.10 = 216,409.80/x - Step 3: Cross multiply
548,902.60x = 823,149.10 × 216,409.80 - Step 4: Simplify right side
548,902.60x = 178,137,532,101.18 - Step 5: Solve for x
x = 178,137,532,101.18/548,902.60 - Step 6: Final answer
x = 324,533.96
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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.