Finding the Fourth Proportional to 548,132.48, 821,598.18 and 281,907.08
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Solution
The fourth proportional to 548,132.48, 821,598.18 and 281,907.08 is: 422,551.76
Step by Step Solution
- Step 1: Write the proportion equation
548,132.48 : 821,598.18 = 281,907.08 : x - Step 2: Convert to fraction form
548,132.48/821,598.18 = 281,907.08/x - Step 3: Cross multiply
548,132.48x = 821,598.18 × 281,907.08 - Step 4: Simplify right side
548,132.48x = 231,614,343,857.11 - Step 5: Solve for x
x = 231,614,343,857.11/548,132.48 - Step 6: Final answer
x = 422,551.76
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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.