Finding the Fourth Proportional to 548,286.80, 822,430.20 and 193,701.20
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Solution
The fourth proportional to 548,286.80, 822,430.20 and 193,701.20 is: 290,551.80
Step by Step Solution
- Step 1: Write the proportion equation
548,286.80 : 822,430.20 = 193,701.20 : x - Step 2: Convert to fraction form
548,286.80/822,430.20 = 193,701.20/x - Step 3: Cross multiply
548,286.80x = 822,430.20 × 193,701.20 - Step 4: Simplify right side
548,286.80x = 159,305,716,656.24 - Step 5: Solve for x
x = 159,305,716,656.24/548,286.80 - Step 6: Final answer
x = 290,551.80
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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.